SOLUTION: (5x -9)(5x - 7) I understand that I have to use the FOIL system but I am confused on how it works. Would the answer be 25xsquared - 45x - 63? Thank you for your help.

Algebra ->  Distributive-associative-commutative-properties -> SOLUTION: (5x -9)(5x - 7) I understand that I have to use the FOIL system but I am confused on how it works. Would the answer be 25xsquared - 45x - 63? Thank you for your help.      Log On


   

Question 32564: (5x -9)(5x - 7)
I understand that I have to use the FOIL system but I am confused on how it works. Would the answer be 25xsquared - 45x - 63? Thank you for your help.
Answer by mukhopadhyay(490) About Me  (Show Source):
You can put this solution on YOUR website!
(5x -9)(5x - 7)
=(5x)(5x) - (5x)(7) - (9)(5x) + (9)(7)
= 25x^2 - 35x - 45x + 63
= 25x^2 - 80x + 63
Your answer was close