-8=-x^2-4

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Solution for -8=-x^2-4 equation: 


Simplifying
-8 = -1x2 + -4

Reorder the terms:
-8 = -4 + -1x2

Solving
-8 = -4 + -1x2

Solving for variable 'x'.

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

Add 'x2' to each side of the equation.
-8 + x2 = -4 + -1x2 + x2

Combine like terms: -1x2 + x2 = 0
-8 + x2 = -4 + 0
-8 + x2 = -4

Add '8' to each side of the equation.
-8 + 8 + x2 = -4 + 8

Combine like terms: -8 + 8 = 0
0 + x2 = -4 + 8
x2 = -4 + 8

Combine like terms: -4 + 8 = 4
x2 = 4

Simplifying
x2 = 4

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

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