2x^2+7=135

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Solution for 2x^2+7=135 equation: 


Simplifying
2x2 + 7 = 135

Reorder the terms:
7 + 2x2 = 135

Solving
7 + 2x2 = 135

Solving for variable 'x'.

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

Add '-7' to each side of the equation.
7 + -7 + 2x2 = 135 + -7

Combine like terms: 7 + -7 = 0
0 + 2x2 = 135 + -7
2x2 = 135 + -7

Combine like terms: 135 + -7 = 128
2x2 = 128

Divide each side by '2'.
x2 = 64

Simplifying
x2 = 64

Take the square root of each side:
x = {-8, 8}

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