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stealth61 [152]
3 years ago
9

Multiply the binomials using the FOIL method.

Mathematics
2 answers:
Licemer1 [7]3 years ago
4 0
FOIL= first, outside, inside, and last
It will help you a lot in distribution problems. 
(b-3)(b+9)
b^2+9b-3b-27
b^2+6b-27
A.
Hope this helps :)
Margarita [4]3 years ago
3 0
Foil is just like distributive meathod rememebering meathood

so foil is
First
Outer
Inner
Last

so if you had
(a+b)(c+d)
you would do
First
a times c
Outer
a times d
Inner
b times c
Last
b times d so



we have
(b-3)(b+9)
FIRST
b times b=b^2
Outer
b times 9=9b
Inner
-3 times b=-3b
Last=-3 times 9=-27
add

b^2+9b-3b-27
add like terms
b^2+6b-27
answer is A
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