In order to keep both sides of an equation equal, hence the "=", need to find a way to get c by itself, while also sustaining the proper solution. Since c^2 = c×c, you can find the square root of c^2, or in other terms, divide it by itself. But wait! You still need to keep the statment true. Find the square root of 8.53, since that was what you did to the other side of the equation.
If you mean c2 = 8.53 then just use the calculator to take the square root, remembering that there will be two possibilities, namely c = ±√8.53 ≈ ±2.9206
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In order to keep both sides of an equation equal, hence the "=", need to find a way to get c by itself, while also sustaining the proper solution. Since c^2 = c×c, you can find the square root of c^2, or in other terms, divide it by itself. But wait! You still need to keep the statment true. Find the square root of 8.53, since that was what you did to the other side of the equation.