Question

Simplify the product using FOIL.
(3x – 5)(3x + 7) (1 point)

Answer 1

3x * 3x, 3x*7, -5*3x, and -5*7. * means to multiply, answer becomes 6x^2+6x-35

Answer 2

whoopsies typo, it becomes 9x^2+6x-35

Answer 3

wait.. shouldnt that first 6 be a 9?

Answer 4

yea, haha. thanks (:

Answer 5

can you help with another one?

Answer 6

yes, I have about 4 minutes until my next class.

Answer 7

What is a simpler form of the expression?
(3k + 4)(2k2 – 3k – 5) (1 point)

Answer 8

6k^3-k^2-27k-20. Same thing, multiply each number -- 3k*2k^2, etc.

Answer 9

thank you soo much