x*x-6=13

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Solution for x*x-6=13 equation: 


Simplifying
x * x + -6 = 13

Multiply x * x
x2 + -6 = 13

Reorder the terms:
-6 + x2 = 13

Solving
-6 + x2 = 13

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 = 13 + 6

Combine like terms: -6 + 6 = 0
0 + x2 = 13 + 6
x2 = 13 + 6

Combine like terms: 13 + 6 = 19
x2 = 19

Simplifying
x2 = 19

Take the square root of each side:
x = {-4.358898944, 4.358898944}

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