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Mathematics 15 Online
OpenStudy (baby_bear69):

http://prntscr.com/a36vlr help please (:

OpenStudy (baby_bear69):

@Mehek14 @inkyvoyd @ganeshie8

Mehek (mehek14):

\(4a*a\\4a*-b\\2b*a\\2b*-b\)

Mehek (mehek14):

then you can combine like terms

OpenStudy (welshfella):

(4a + 2b)(a - b) = 4a(a - b) + 2b(a-b)

OpenStudy (baby_bear69):

Ohh okay that makes more sense!! The combining still confuses me a bit tho

Mehek (mehek14):

multiply and then I'll help combine :)

OpenStudy (baby_bear69):

So it would be 4a^2 - 4ab + 2ba - 2b^2?

Mehek (mehek14):

correct now only like terms are -4ab and 2ab -4ab + 2ab = ?

OpenStudy (baby_bear69):

would be +2ab

Mehek (mehek14):

no -2ab

OpenStudy (baby_bear69):

ohh that rights my bad

OpenStudy (baby_bear69):

sorry

Mehek (mehek14):

haha it's good :P

OpenStudy (baby_bear69):

So the answer would be B then? (:

Mehek (mehek14):

ye :)

OpenStudy (baby_bear69):

Thank you so much!! <3

Mehek (mehek14):

yw <3

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