9=4h^2

Solution for 9=4h^2 equation:

Simplifying
9 = 4h2

Solving
9 = 4h2

Solving for variable 'h'.

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

Add '-4h2' to each side of the equation.
9 + -4h2 = 4h2 + -4h2

Combine like terms: 4h2 + -4h2 = 0
9 + -4h2 = 0

Add '-9' to each side of the equation.
9 + -9 + -4h2 = 0 + -9

Combine like terms: 9 + -9 = 0
0 + -4h2 = 0 + -9
-4h2 = 0 + -9

Combine like terms: 0 + -9 = -9
-4h2 = -9

Divide each side by '-4'.
h2 = 2.25

Simplifying
h2 = 2.25

Take the square root of each side:
h = {-1.5, 1.5}