# Calculus Examples

To find the roots/zeros of the function, set the function equal to and solve.

Since does not contain the variable to solve for, move it to the right side of the equation by subtracting from both sides.

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

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 .

Set the factor equal to .

Since does not contain the variable to solve for, move it to the right side of the equation by subtracting from both sides.

Solve the equations for . The multiplicity of a root is the number of times the root appears. For example, a factor of would have a root at with multiplicity of .

(Multiplicity of )