Calculus Examples
Step 1
Factor out of .
Factor out of .
Factor out of .
Step 2
Factor out of .
Factor out of .
Factor out of .
Step 3
Cancel the common factor.
Rewrite the expression.
Step 4
To find the holes in the graph, look at the denominator factors that were cancelled.
Step 5
Set equal to .
Add to both sides of the equation.
Substitute for in and simplify.
Substitute for to find the coordinate of the hole.
Divide by .
The holes in the graph are the points where any of the cancelled factors are equal to .
Step 6