X^2-12=39

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Solution for X^2-12=39 equation: 


Simplifying
X2 + -12 = 39

Reorder the terms:
-12 + X2 = 39

Solving
-12 + X2 = 39

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 = 39 + 12

Combine like terms: -12 + 12 = 0
0 + X2 = 39 + 12
X2 = 39 + 12

Combine like terms: 39 + 12 = 51
X2 = 51

Simplifying
X2 = 51

Take the square root of each side:
X = {-7.141428429, 7.141428429}

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