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Mathematics 14 Online
OpenStudy (anonymous):

how do you simplify 2a(5.4-4b) -4a(3.1+8b)

OpenStudy (eric_d):

expand it first

OpenStudy (eric_d):

then rearrange them

OpenStudy (eric_d):

-1.6a-40ab -(1.6a+40ab)

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