2x^2-7=25

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Solution for 2x^2-7=25 equation: 


Simplifying
2x2 + -7 = 25

Reorder the terms:
-7 + 2x2 = 25

Solving
-7 + 2x2 = 25

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 = 25 + 7

Combine like terms: -7 + 7 = 0
0 + 2x2 = 25 + 7
2x2 = 25 + 7

Combine like terms: 25 + 7 = 32
2x2 = 32

Divide each side by '2'.
x2 = 16

Simplifying
x2 = 16

Take the square root of each side:
x = {-4, 4}

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