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Simplifying
x * x = 66
Multiply x * x
x2 = 66
Solving
x2 = 66
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Simplifying
x2 = 66
Take the square root of each side:
x = {-8.124038405, 8.124038405}
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