x^2-11=8

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Solution for x^2-11=8 equation: 


Simplifying
x2 + -11 = 8

Reorder the terms:
-11 + x2 = 8

Solving
-11 + x2 = 8

Solving for variable 'x'.

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

Add '11' to each side of the equation.
-11 + 11 + x2 = 8 + 11

Combine like terms: -11 + 11 = 0
0 + x2 = 8 + 11
x2 = 8 + 11

Combine like terms: 8 + 11 = 19
x2 = 19

Simplifying
x2 = 19

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

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