jledbetter39 jledbetter39

25-03-2017
Mathematics

contestada

Multiply these binomials using foil method (b+3)(b-9)

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kemanci kemanci

25-03-2017

FOIL stands for first, outer, inner, and last.
So, you multiply the first terms together, the outer terms together, the inner terms together, and then the last terms together.
(b+3)(b-9)
b^2-9b+3b-27 Then simplify
b^2-6b-27

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