Understanding the equation: Understand the equation x^2 = 9. The equation x^2 = 9 means that we are looking for a number x that when squared (multiplied by itself) equals 9.Writing the equation in square root form: Write the equation in the form of an equation involving a square root. To find the value of x, we can take the square root of both sides of the equation. √(x^2) = √9Simplifying both sides of the equation: Simplify both sides of the equation. The square root of x^2 is x, and the square root of 9 is 3. x = ±3 This means that x can be either 3 or -3 because both (3)^2 and (-3)^2 equal 9.

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$x^2 = 9$

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Grade 8

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x^2 = 9

Understanding the equation: Understand the equation $x^2 = 9$ . $\newline$ The equation $x^2 = 9$ means that we are looking for a number $x$ that when squared (multiplied by itself) equals $9$ .
Writing the equation in square root form: Write the equation in the form of an equation involving a square root. $\newline$ To find the value of $x$ , we can take the square root of both sides of the equation. $\newline$ $\sqrt{x^2} = \sqrt{9}$
Simplifying both sides of the equation: Simplify both sides of the equation. $\newline$ The square root of $x^2$ is $x$ , and the square root of $9$ is $3$ . $\newline$ $x = \pm 3$ $\newline$ This means that $x$ can be either $3$ or $-3$ because both $(3)^2$ and $(-3)^2$ equal $9$ .