2x^2+6-8=72

Solution for 2x^2+6-8=72 equation:

Simplifying
2x2 + 6 + -8 = 72

Reorder the terms:
6 + -8 + 2x2 = 72

Combine like terms: 6 + -8 = -2
-2 + 2x2 = 72

Solving
-2 + 2x2 = 72

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 = 72 + 2

Combine like terms: -2 + 2 = 0
0 + 2x2 = 72 + 2
2x2 = 72 + 2

Combine like terms: 72 + 2 = 74
2x2 = 74

Divide each side by '2'.
x2 = 37

Simplifying
x2 = 37

Take the square root of each side:
x = {-6.08276253, 6.08276253}