x*x-6=72

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Solution for x*x-6=72 equation: 


Simplifying
x * x + -6 = 72

Multiply x * x
x2 + -6 = 72

Reorder the terms:
-6 + x2 = 72

Solving
-6 + x2 = 72

Solving for variable 'x'.

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

Add '6' to each side of the equation.
-6 + 6 + x2 = 72 + 6

Combine like terms: -6 + 6 = 0
0 + x2 = 72 + 6
x2 = 72 + 6

Combine like terms: 72 + 6 = 78
x2 = 78

Simplifying
x2 = 78

Take the square root of each side:
x = {-8.831760866, 8.831760866}

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