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Mathematics
OpenStudy (anonymous):

help Simplify: (3b + 7)(2b - 5).

OpenStudy (saifoo.khan):

Try it, Use FOIL

OpenStudy (anonymous):

FOIL

OpenStudy (anonymous):

ok si it would be 6b^2-b-15?

OpenStudy (saifoo.khan):

Last term is incorrect!

OpenStudy (saifoo.khan):

LOl. no not a nice job about last term.

OpenStudy (anonymous):

-35 is the last term then

OpenStudy (saifoo.khan):

yay! Nice job now.

OpenStudy (anonymous):

no, here try starting with this (3b + 7)(2b - 5) 3b*2b + 2b(-5) + 7*2b + 7(-5)

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