Answer:
=−x2+11x−10
Step-by-step explanation:
Let's simplify step-by-step.
9(x−1)−(x−1)2
Distribute:
=(9)(x)+(9)(−1)+−x2+2x+−1
=9x+−9+−x2+2x+−1
Combine Like Terms:
=(−x2)+(9x+2x)+(−9+−1)
=−x2+11x+−10
(−x+1)(x−10)
