-3x^2=-87

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Solution for -3x^2=-87 equation: 


Simplifying
-3x2 = -87

Solving
-3x2 = -87

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Divide each side by '-3'.
x2 = 29

Simplifying
x2 = 29

Take the square root of each side:
x = {-5.385164807, 5.385164807}

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