5h^2-91=-11

Solution for 5h^2-91=-11 equation:

Simplifying
5h2 + -91 = -11

Reorder the terms:
-91 + 5h2 = -11

Solving
-91 + 5h2 = -11

Solving for variable 'h'.

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

Add '91' to each side of the equation.
-91 + 91 + 5h2 = -11 + 91

Combine like terms: -91 + 91 = 0
0 + 5h2 = -11 + 91
5h2 = -11 + 91

Combine like terms: -11 + 91 = 80
5h2 = 80

Divide each side by '5'.
h2 = 16

Simplifying
h2 = 16

Take the square root of each side:
h = {-4, 4}