2y^2+8=72

Solution for 2y^2+8=72 equation:

Simplifying
2y2 + 8 = 72

Reorder the terms:
8 + 2y2 = 72

Solving
8 + 2y2 = 72

Solving for variable 'y'.

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

Add '-8' to each side of the equation.
8 + -8 + 2y2 = 72 + -8

Combine like terms: 8 + -8 = 0
0 + 2y2 = 72 + -8
2y2 = 72 + -8

Combine like terms: 72 + -8 = 64
2y2 = 64

Divide each side by '2'.
y2 = 32

Simplifying
y2 = 32

Take the square root of each side:
y = {-5.656854249, 5.656854249}