225=h^2

Solution for 225=h^2 equation:

Simplifying
225 = h2

Solving
225 = h2

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.
225 + -1h2 = h2 + -1h2

Combine like terms: h2 + -1h2 = 0
225 + -1h2 = 0

Add '-225' to each side of the equation.
225 + -225 + -1h2 = 0 + -225

Combine like terms: 225 + -225 = 0
0 + -1h2 = 0 + -225
-1h2 = 0 + -225

Combine like terms: 0 + -225 = -225
-1h2 = -225

Divide each side by '-1'.
h2 = 225

Simplifying
h2 = 225

Take the square root of each side:
h = {-15, 15}