X^2+12=87

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Solution for X^2+12=87 equation: 


Simplifying
X2 + 12 = 87

Reorder the terms:
12 + X2 = 87

Solving
12 + X2 = 87

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 = 87 + -12

Combine like terms: 12 + -12 = 0
0 + X2 = 87 + -12
X2 = 87 + -12

Combine like terms: 87 + -12 = 75
X2 = 75

Simplifying
X2 = 75

Take the square root of each side:
X = {-8.660254038, 8.660254038}

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