Question

Fan and Medal

Use FOIL to multiply the two binomials.

(b – 3)(b + 9)










A.

b^2 + 12b – 27








B.

b^2 + 6b – 27








C.

b^2 – 27








D.

b^2 – 6b – 27

Answer 1

B.

Answer 2

what is foil ??

Answer 3

@epoweritheta
http://www.mathwords.com/f/foil_method.htm

Answer 4

foil is the way you multiply these types of equations. It stands for First, Outer, Inner, Last. so (b-3)(b+9) the first two are b and b, multiply those together and you get b^2 then you go to the outer values so b and +9 so you get 9b. so far you should have b^2 + 9b. Then you go to the inner values. so -3 and b so now you should have b^2 + 9b - 3b. and then the last two values to -3 and 9 so that = -27 now you have b^2 + 9b - 3b -27. combine like terms you get b^2 - 6b - 27

Answer 5

sorry, b^2 + 6b - 27