Answer: x-4
Step-by-step explanation:
1. Factor the numerator
(x-4)(x-4)
2. Cancel out factors between the numerator and denominator (if applicable)
(x-4)(x-4)/(x-4)
Since x-4 appears in both the numerator and denominator, you can cancel the factors out, as they are equal to 1, leaving the answer, x-4
