X^2+7=128

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Solution for X^2+7=128 equation: 


Simplifying
X2 + 7 = 128

Reorder the terms:
7 + X2 = 128

Solving
7 + X2 = 128

Solving for variable 'X'.

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

Add '-7' to each side of the equation.
7 + -7 + X2 = 128 + -7

Combine like terms: 7 + -7 = 0
0 + X2 = 128 + -7
X2 = 128 + -7

Combine like terms: 128 + -7 = 121
X2 = 121

Simplifying
X2 = 121

Take the square root of each side:
X = {-11, 11}

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