7+2x^2=57

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Solution for 7+2x^2=57 equation: 


Simplifying
7 + 2x2 = 57

Solving
7 + 2x2 = 57

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 = 57 + -7

Combine like terms: 7 + -7 = 0
0 + 2x2 = 57 + -7
2x2 = 57 + -7

Combine like terms: 57 + -7 = 50
2x2 = 50

Divide each side by '2'.
x2 = 25

Simplifying
x2 = 25

Take the square root of each side:
x = {-5, 5}

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