Rewrite the equation as .

To remove the radical on the left side of the equation, square both sides of the equation.

Simplify the left side of the equation.

Remove parentheses.

Divide each term in by .

Simplify the left side of the equation by cancelling the common factors.

Cancel the common factor of .

Cancel the common factor.

Rewrite the expression.

Cancel the common factor of .

Cancel the common factor.

Divide by .

Solve for h v = square root of 2gh