64=.5(2h)(h)

Solution for 64=.5(2h)(h) equation:

Simplifying
64 = 0.5(2h)(h)

Remove parenthesis around (2h)
64 = 0.5 * 2h(h)

Multiply 0.5 * 2
64 = 1h * h

Multiply h * h
64 = 1h2

Solving
64 = 1h2

Solving for variable 'h'.

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

Add '-1h2' to each side of the equation.
64 + -1h2 = 1h2 + -1h2

Combine like terms: 1h2 + -1h2 = 0
64 + -1h2 = 0

Add '-64' to each side of the equation.
64 + -64 + -1h2 = 0 + -64

Combine like terms: 64 + -64 = 0
0 + -1h2 = 0 + -64
-1h2 = 0 + -64

Combine like terms: 0 + -64 = -64
-1h2 = -64

Divide each side by '-1'.
h2 = 64

Simplifying
h2 = 64

Take the square root of each side:
h = {-8, 8}