Question

10.

Simplify the product using FOIL. (3x – 7)(3x – 5)

9x2 – 36x + 35

9x2 + 6x + 35

9x2 + 36x + 35

9x2 – 36x – 35

Answer 1

9x^2 -15x - 21x + 35

9x^2 -36x + 35

answer is a

Explanation:

Answer 2

9x^2 —36x + 35

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