-5(x*x)=-80

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Solution for -5(x*x)=-80 equation: 


Simplifying
-5(x * x) = -80

Multiply x * x
-5(x2) = -80

Solving
-5x2 = -80

Solving for variable 'x'.

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

Divide each side by '-5'.
x2 = 16

Simplifying
x2 = 16

Take the square root of each side:
x = {-4, 4}

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