angel64991 angel64991

12-04-2017
Mathematics

contestada

HELP PLEASE
1)(f+2g)(2f2+3fg-g2)
a)2f3+7f2g+5fg2-2g3
b)2f3+7f2g-5fg2-2g3
c)2f3+7fg2g-7fg2-2g3
d)2f3+7f2g+7fg2+2g3

2)(-3b2)(-2b+b2c)
a)-6b2-3b4c
b)6b3-3b4c
c)6b2+3b4c
d)6b2-3b3c

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KittyKat3715 KittyKat3715

12-04-2017

I'm sorry, but what's the question?? I don't understand what we have to do??

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