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Simplifying
-3x2 = -171
Solving
-3x2 = -171
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Divide each side by '-3'.
x2 = 57
Simplifying
x2 = 57
Take the square root of each side:
x = {-7.549834435, 7.549834435}
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