Question

The graph of this function has a hole in it. What is the x-coordinate of that hole?
(7x^2+63x)/(x^2+5x-36)

Answer 1

factor the top and bottom

Answer 2

The graph of this function has a hole in it. What is the x-coordinate of that hole?

Answer 3

Set the denominator equal to zero and solve for x.

Answer 4

Actually, follow @Luigi0210 's advice first. Factor the numerator and denominator. Then cancel any common term. Then set the remaining denominator equal to zero and solve for x.

Answer 5

Is that how I get the x-coordinate of the hole? Because that's all I need