2x^2+2=82

Solution for 2x^2+2=82 equation:

Simplifying
2x2 + 2 = 82

Reorder the terms:
2 + 2x2 = 82

Solving
2 + 2x2 = 82

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 = 82 + -2

Combine like terms: 2 + -2 = 0
0 + 2x2 = 82 + -2
2x2 = 82 + -2

Combine like terms: 82 + -2 = 80
2x2 = 80

Divide each side by '2'.
x2 = 40

Simplifying
x2 = 40

Take the square root of each side:
x = {-6.32455532, 6.32455532}