x^2+4=128

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Solution for x^2+4=128 equation: 


Simplifying
x2 + 4 = 128

Reorder the terms:
4 + x2 = 128

Solving
4 + x2 = 128

Solving for variable 'x'.

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

Add '-4' to each side of the equation.
4 + -4 + x2 = 128 + -4

Combine like terms: 4 + -4 = 0
0 + x2 = 128 + -4
x2 = 128 + -4

Combine like terms: 128 + -4 = 124
x2 = 124

Simplifying
x2 = 124

Take the square root of each side:
x = {-11.135528726, 11.135528726}

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