2x^2+8-65=0

Solution for 2x^2+8-65=0 equation:

Simplifying
2x2 + 8 + -65 = 0

Reorder the terms:
8 + -65 + 2x2 = 0

Combine like terms: 8 + -65 = -57
-57 + 2x2 = 0

Solving
-57 + 2x2 = 0

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 = 0 + 57

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

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

Divide each side by '2'.
x2 = 28.5

Simplifying
x2 = 28.5

Take the square root of each side:
x = {-5.338539126, 5.338539126}