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Mathematics 15 Online
OpenStudy (anonymous):

-2(2u-1) i got -4u-1

OpenStudy (anonymous):

it is -4u + 2

OpenStudy (anonymous):

why

OpenStudy (anonymous):

doesnt its suppossed to 2*2

OpenStudy (anonymous):

Use the foil method.-2(2u)=-4u and -2(-1)=2

OpenStudy (anonymous):

oh okay

OpenStudy (anonymous):

-2(3d-1)+4d

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