x^2-12=-4

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Solution for x^2-12=-4 equation: 


Simplifying
x2 + -12 = -4

Reorder the terms:
-12 + x2 = -4

Solving
-12 + x2 = -4

Solving for variable 'x'.

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

Add '12' to each side of the equation.
-12 + 12 + x2 = -4 + 12

Combine like terms: -12 + 12 = 0
0 + x2 = -4 + 12
x2 = -4 + 12

Combine like terms: -4 + 12 = 8
x2 = 8

Simplifying
x2 = 8

Take the square root of each side:
x = {-2.828427125, 2.828427125}

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