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Mathematics 8 Online
OpenStudy (anonymous):

Factoring by grouping. How? a(a-b) + 4b(a-b) - a(a-b)

OpenStudy (asnaseer):

all the terms contain (a-b) so that can be factored out as follows: (a-b)(a + 4b - a)

OpenStudy (asnaseer):

then you can simplify further to get: 4b(a-b)

OpenStudy (anonymous):

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

OpenStudy (anonymous):

Thankyou!

OpenStudy (asnaseer):

yw

OpenStudy (anonymous):

nice!

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