SOLUTION: Find the product. (5b - 1)(2b - 1)Need help.

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Question 271975: Find the product.
(5b - 1)(2b - 1)Need help.
Answer by dabanfield(803) About Me  (Show Source):
You can put this solution on YOUR website!
Find the product.
(5b - 1)(2b - 1)Need help.
Using FOIL (First, Inner, Outer, Last):
(5b - 1)*(2b - 1) =
5b*2b + 5b*-1 + -1*2b + -1*-1
10b^2 - 5b - 2b + 1
10b^2 - 7b + 1