2x^2+57=75

Solution for 2x^2+57=75 equation:

Simplifying
2x2 + 57 = 75

Reorder the terms:
57 + 2x2 = 75

Solving
57 + 2x2 = 75

Solving for variable 'x'.

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

Add '-57' to each side of the equation.
57 + -57 + 2x2 = 75 + -57

Combine like terms: 57 + -57 = 0
0 + 2x2 = 75 + -57
2x2 = 75 + -57

Combine like terms: 75 + -57 = 18
2x2 = 18

Divide each side by '2'.
x2 = 9

Simplifying
x2 = 9

Take the square root of each side:
x = {-3, 3}