Rewrite the equation as .

Move to the left side of the equation by subtracting it from both sides.

Use the quadratic formula to find the solutions.

Substitute the values , , and into the quadratic formula and solve for .

Simplify the numerator.

Factor out of .

Factor out of .

Factor out of .

Factor out of .

Factor out of .

Reorder the expression.

Reorder and .

Reorder and .

Factor out of .

Rewrite as .

Factor out of .

Apply the distributive property.

Multiply by .

Multiply by .

Add and .

Combine exponents.

Factor out negative.

Multiply by .

Multiply by .

Move the negative in front of the fraction.

The final answer is the combination of both solutions.

Solve for t h=25-5t-5t^2