Answer:
9x^2 -15x - 21x + 35
9x^2 -36x + 35
answer is a
Step-by-step explanation:
Answer:
9x^2 —36x + 35
Step-by-step explanation:
(3x—7)(3x —5)
3x x 3x —3x x 5 —7 x 3x—7(-5)
Negative times negative equals to positive
9x^2 —15x —21x + 35
9x^2 —36x + 35