2X^2-2=13

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Solution for 2X^2-2=13 equation: 


Simplifying
2X2 + -2 = 13

Reorder the terms:
-2 + 2X2 = 13

Solving
-2 + 2X2 = 13

Solving for variable 'X'.

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

Add '2' to each side of the equation.
-2 + 2 + 2X2 = 13 + 2

Combine like terms: -2 + 2 = 0
0 + 2X2 = 13 + 2
2X2 = 13 + 2

Combine like terms: 13 + 2 = 15
2X2 = 15

Divide each side by '2'.
X2 = 7.5

Simplifying
X2 = 7.5

Take the square root of each side:
X = {-2.738612788, 2.738612788}

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