# Calculus Examples

Replace with .

To find the roots of the equation, replace with and solve.

Rewrite the equation as .

Factor the left side of the equation.

Factor.

Factor using the perfect square rule.

Rewrite as .

Check the middle term by multiplying and compare this result with the middle term in the original expression.

Simplify.

Factor using the perfect square trinomial rule , where and .

Combine like factors.

Rewrite.

Use the power rule to combine exponents.

Add and .

Set equal to and solve for .

Set the factor equal to .

Add to both sides of the equation.

The solution is the result of .