0.5h^2+4=30

Solution for 0.5h^2+4=30 equation:

Simplifying
0.5h2 + 4 = 30

Reorder the terms:
4 + 0.5h2 = 30

Solving
4 + 0.5h2 = 30

Solving for variable 'h'.

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

Add '-4' to each side of the equation.
4 + -4 + 0.5h2 = 30 + -4

Combine like terms: 4 + -4 = 0
0 + 0.5h2 = 30 + -4
0.5h2 = 30 + -4

Combine like terms: 30 + -4 = 26
0.5h2 = 26

Divide each side by '0.5'.
h2 = 52

Simplifying
h2 = 52

Take the square root of each side:
h = {-7.211102551, 7.211102551}