Solve 6 + 1 = X² - 1: A Step-by-Step Solution

by Sebastian Müller 46 views

Introduction

Hey guys! Today, we're diving into a fun little math problem: solving the equation 6 + 1 = x² - 1. This might look a bit intimidating at first glance, but trust me, we're going to break it down into simple, easy-to-follow steps. Whether you're a student brushing up on your algebra skills, a math enthusiast looking for a quick brain teaser, or just someone curious about equations, this guide is for you. We'll explore each step in detail, making sure you understand the why behind the how. So, grab your pencils and let's get started on this mathematical adventure! We will use simple algebraic techniques to find the value(s) of 'x' that satisfy this equation. This involves simplifying the equation, isolating the variable, and eventually finding the roots. You'll see how basic arithmetic and algebraic manipulations come together to solve for the unknown. Remember, math isn't about memorizing formulas; it's about understanding the process. By the end of this guide, you'll not only know how to solve this particular equation but also gain confidence in tackling similar problems. We'll also touch upon the underlying principles, so you're not just blindly following steps but truly grasping the concepts. This equation is a classic example of how algebra can be used to solve real-world problems, and mastering these skills can open doors to more advanced mathematical concepts. So, let’s jump right in and unravel the mystery of this equation together! This journey will equip you with the tools you need to approach algebraic problems with confidence and clarity. Let's transform this seemingly complex problem into a series of manageable steps, ensuring that you not only get the answer but also understand the journey to get there.

Step 1: Simplify the Equation

The first thing we need to do is simplify both sides of the equation 6 + 1 = x² - 1. Simplifying makes the equation easier to work with and helps us see the next steps more clearly. On the left side, we have 6 + 1, which is a simple addition. Adding those numbers together, we get 7. So, the left side of the equation simplifies to 7. Now, let's look at the right side of the equation, x² - 1. There's nothing we can simplify here just yet because is a variable term, and we can't combine it with the constant term -1 without knowing the value of x. So, for now, we'll leave the right side as is. After simplifying the left side, our equation now looks like this: 7 = x² - 1. This is a much cleaner and more manageable form of the original equation. Simplifying is a crucial step in solving any algebraic equation. It's like decluttering your workspace before starting a project; it helps you focus on what's important. By reducing the equation to its simplest form, we make it easier to identify the next steps required to isolate the variable and find the solution. This initial simplification sets the stage for the rest of the solution process, making each subsequent step more intuitive. Remember, simplification isn't just about making the equation look neater; it's about clarifying the relationship between the different terms and paving the way for a smoother solving experience. This step is fundamental in building a solid foundation for solving algebraic equations. So, let’s carry on to the next step with our simplified equation in hand, ready to tackle the next challenge. This is where the real fun begins, as we start to isolate the variable and move closer to the solution.

Step 2: Isolate the x² Term

Now that we have our simplified equation, 7 = x² - 1, the next step is to isolate the term. This means we want to get by itself on one side of the equation. To do this, we need to get rid of the -1 on the right side. The way we do that is by performing the inverse operation. Since we have subtraction (-1), the inverse operation is addition. We're going to add 1 to both sides of the equation. Remember, whatever we do to one side of the equation, we must do to the other side to keep the equation balanced. So, we add 1 to both sides: 7 + 1 = x² - 1 + 1. On the left side, 7 + 1 equals 8. On the right side, -1 + 1 cancels each other out, leaving us with just . Our equation now looks like this: 8 = x². We've successfully isolated the term! This step is crucial because it brings us closer to solving for x. Isolating the variable term is a fundamental technique in algebra. It allows us to focus solely on the variable we're trying to solve for, without any distractions from other terms. This process is like zooming in on a specific part of a map; it helps you see the details more clearly. By adding 1 to both sides, we've essentially moved the constant term to the other side of the equation, leaving alone and ready for the next step. This isolation not only simplifies the equation further but also prepares us for the final step of finding the value(s) of x. Think of it as setting up the stage for the grand finale, where we unveil the solution. So, with nicely isolated, we're now perfectly positioned to take the square root and discover the value(s) of x that satisfy our original equation. Let’s move on to the next exciting step!

Step 3: Solve for x

We've reached the final step in solving our equation! We have 8 = x², and now we need to find the value(s) of x. To do this, we need to undo the square. The inverse operation of squaring is taking the square root. So, we're going to take the square root of both sides of the equation. Remember, when we take the square root of a number, we need to consider both the positive and negative roots because both positive and negative numbers, when squared, will give a positive result. So, we have: √8 = ±x. The square root of 8 can be simplified. 8 can be written as 4 * 2, and the square root of 4 is 2. So, √8 can be simplified to 2√2. Therefore, our solutions are: x = 2√2 and x = -2√2. We've done it! We've found the values of x that satisfy the equation 6 + 1 = x² - 1. This step is where all our previous work comes to fruition. Taking the square root is a powerful tool in algebra, allowing us to solve for variables that are squared. It's like finding the missing piece of a puzzle, completing the picture and revealing the solution. The crucial point to remember here is the ± sign. Recognizing that both positive and negative roots can satisfy the equation is key to getting the complete solution. This understanding showcases a deeper grasp of algebraic principles. Simplifying the square root of 8 to 2√2 demonstrates a good understanding of radicals and their properties. It's these little simplifications that can make a big difference in your mathematical journey. So, we've not only found the solution but also refined our understanding of square roots and their applications. This final step is a testament to our problem-solving skills and our ability to break down a complex problem into manageable parts. We started with a seemingly daunting equation and, through careful simplification and algebraic manipulation, arrived at the solution. Pat yourself on the back – you've earned it!

Conclusion

Great job, guys! We've successfully solved the equation 6 + 1 = x² - 1. We walked through each step, from simplifying the equation to isolating the term and finally solving for x. Remember, the key to solving algebraic equations is to break them down into smaller, more manageable steps. We found that x can be either 2√2 or -2√2. These are the two values that, when squared and plugged back into the original equation, will make the equation true. This journey through solving the equation highlights the beauty and logic of mathematics. We started with a problem and, through a series of logical steps, arrived at the solution. This process not only gives us the answer but also strengthens our problem-solving skills and our understanding of algebraic principles. The ability to simplify, isolate, and apply inverse operations is fundamental to success in algebra and beyond. These skills are not just useful in math class; they're valuable tools for critical thinking and problem-solving in all areas of life. Solving this equation is a small victory in the grand scheme of mathematics, but it represents a significant step in your mathematical journey. Each equation you solve, each concept you grasp, builds upon the last, creating a solid foundation for future learning. So, keep practicing, keep exploring, and keep challenging yourself. The world of mathematics is vast and fascinating, and there's always something new to discover. Remember, math isn't just about finding the right answer; it's about the journey of discovery and the satisfaction of solving a problem. So, celebrate your success, and get ready for the next mathematical adventure! We've tackled this equation with confidence and clarity, and that’s something to be proud of. Now, go forth and conquer more mathematical challenges!