Question

(4b-2)(5b-4) would this = 9b-6

Answer 1

Multiplying, 20b^2-26b+8. Looks like a quadratic to me.

Answer 2

Use Distributive Law

Answer 3

Use the foil method. Good luck,

Answer 4

(a+b) * (d-c) = ad - ac + bd-bc

Answer 5

I did you the FOIL method and that is how I got 9b-6... is that wrong?

Answer 6

\[(4b-2)(5b-4) = 20b^2 -16b - 10b + 8\]

Answer 7

\[=20b^2-26b+8\]

Answer 8

Like Preetha Said it would be a Quad Eq

Answer 9

Yahoo, you have a good Math background!

Answer 10

okay I re-did it.. and I see what I did wrong... thank you Preetha and Yahoo for the help!

Answer 11

Preetha - are you still there?

Answer 12

Yes