Keila S.

asked • 08/07/16

multiplying

(5x + y2)(9x3 - 3y9)

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Kenneth S. answered • 08/07/16

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Just use the FOIL method for multiplying two binomials.  Also use the law of exponents: (axm)(bxn) = abxm+n
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Keila S.

That ain't help
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08/07/16

Kenneth S.

Yes, it does help, provided you have learned the FOIL method previously (which is a requirement in Algebra):
(5x + y2)(9x3 - 3y9)

F:  45X4

O: -15xy9

I: 9x3y2

L:-3y7

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08/07/16

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