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Mathematics 16 Online
OpenStudy (anonymous):

simply (y - 4) (y + 5)

OpenStudy (anonymous):

do you know how to do FOIL?

OpenStudy (anonymous):

y^2+y-20. Foil it out. http://www.youtube.com/watch?v=Y7MBJBBlvs0

OpenStudy (anonymous):

FIrst Outer Inner Last

OpenStudy (anonymous):

just be careful with the positive and negative signs

OpenStudy (homeworksucks):

Expand each term to each of the other terms in the brackets, y to y y to 5 -4 to y -4 to 5

OpenStudy (anonymous):

the answer is (y^2+y-20) doing foil

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