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Mathematics 21 Online
OpenStudy (anonymous):

Select the correct difference. 5d2 + 4d - 3 less 2d2 - 3d + 4

OpenStudy (anonymous):

3d2+7d-7

OpenStudy (anonymous):

4d-(-3d)=4d+3d=7d

OpenStudy (anonymous):

do you understand why?

OpenStudy (anonymous):

Yes, double negative.

OpenStudy (anonymous):

yep!

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