92=0.72(1.28)h^2

Solution for 92=0.72(1.28)h^2 equation:

Simplifying
92 = 0.72(1.28) * h2

Multiply 0.72 * 1.28
92 = 0.9216h2

Solving
92 = 0.9216h2

Solving for variable 'h'.

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

Add '-0.9216h2' to each side of the equation.
92 + -0.9216h2 = 0.9216h2 + -0.9216h2

Combine like terms: 0.9216h2 + -0.9216h2 = 0.0000
92 + -0.9216h2 = 0.0000

Add '-92' to each side of the equation.
92 + -92 + -0.9216h2 = 0.0000 + -92

Combine like terms: 92 + -92 = 0
0 + -0.9216h2 = 0.0000 + -92
-0.9216h2 = 0.0000 + -92

Combine like terms: 0.0000 + -92 = -92
-0.9216h2 = -92

Divide each side by '-0.9216'.
h2 = 99.82638889

Simplifying
h2 = 99.82638889

Take the square root of each side:
h = {-9.991315674, 9.991315674}