18=2h^2

Solution for 18=2h^2 equation:

Simplifying
18 = 2h2

Solving
18 = 2h2

Solving for variable 'h'.

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

Add '-2h2' to each side of the equation.
18 + -2h2 = 2h2 + -2h2

Combine like terms: 2h2 + -2h2 = 0
18 + -2h2 = 0

Add '-18' to each side of the equation.
18 + -18 + -2h2 = 0 + -18

Combine like terms: 18 + -18 = 0
0 + -2h2 = 0 + -18
-2h2 = 0 + -18

Combine like terms: 0 + -18 = -18
-2h2 = -18

Divide each side by '-2'.
h2 = 9

Simplifying
h2 = 9

Take the square root of each side:
h = {-3, 3}