Example: Sample Examination 2 (Question 2)

Answer: 0

When the x-value (3) is plugged into the original equation, there is a zero in the denominator. However when the numerator is factored

the (x-3) in the numerator can cancel out the (x-3) in the denominator. leaving only

When the x-value of 3 is plugged into this equation the answer is 0.