8x^2-11=13

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Solution for 8x^2-11=13 equation: 


Simplifying
8x2 + -11 = 13

Reorder the terms:
-11 + 8x2 = 13

Solving
-11 + 8x2 = 13

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 + 8x2 = 13 + 11

Combine like terms: -11 + 11 = 0
0 + 8x2 = 13 + 11
8x2 = 13 + 11

Combine like terms: 13 + 11 = 24
8x2 = 24

Divide each side by '8'.
x2 = 3

Simplifying
x2 = 3

Take the square root of each side:
x = {-1.732050808, 1.732050808}

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