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Mathematics 21 Online
OpenStudy (anonymous):

2[4 (-6d+3)-d]

OpenStudy (anonymous):

simplify

OpenStudy (anonymous):

Do the stuff inside the bracket first.

OpenStudy (anonymous):

Distribute.

OpenStudy (anonymous):

-2[-24d+12-d]

OpenStudy (anonymous):

now use distributive property

OpenStudy (anonymous):

so -2*-24d -2*12 -2*-d

OpenStudy (anonymous):

48d-48+2d

OpenStudy (anonymous):

50d-24?

OpenStudy (anonymous):

now combine like terms

OpenStudy (anonymous):

yup.

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