2x^2+16=72

Solution for 2x^2+16=72 equation:

Simplifying
2x2 + 16 = 72

Reorder the terms:
16 + 2x2 = 72

Solving
16 + 2x2 = 72

Solving for variable 'x'.

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

Add '-16' to each side of the equation.
16 + -16 + 2x2 = 72 + -16

Combine like terms: 16 + -16 = 0
0 + 2x2 = 72 + -16
2x2 = 72 + -16

Combine like terms: 72 + -16 = 56
2x2 = 56

Divide each side by '2'.
x2 = 28

Simplifying
x2 = 28

Take the square root of each side:
x = {-5.291502622, 5.291502622}