-x(x)=-4

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Solution for -x(x)=-4 equation: 


Simplifying
-1x(x) = -4

Multiply x * x
-1x2 = -4

Solving
-1x2 = -4

Solving for variable 'x'.

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

Divide each side by '-1'.
x2 = 4

Simplifying
x2 = 4

Take the square root of each side:
x = {-2, 2}

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