13=h^2

Solution for 13=h^2 equation:

Simplifying
13 = h2

Solving
13 = 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.
13 + -1h2 = h2 + -1h2

Combine like terms: h2 + -1h2 = 0
13 + -1h2 = 0

Add '-13' to each side of the equation.
13 + -13 + -1h2 = 0 + -13

Combine like terms: 13 + -13 = 0
0 + -1h2 = 0 + -13
-1h2 = 0 + -13

Combine like terms: 0 + -13 = -13
-1h2 = -13

Divide each side by '-1'.
h2 = 13

Simplifying
h2 = 13

Take the square root of each side:
h = {-3.605551275, 3.605551275}