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Mathematics 21 Online
OpenStudy (anonymous):

−9x − 3(2x − 4(x + 8)) − 10

OpenStudy (anonymous):

combine like terms? a bunch of algebra with the distributive law used correctly will give you \[86-3x\]

OpenStudy (anonymous):

work from the inside out and use the distributive law \[-9x-3(2x-4x-32-10)\] is a start

OpenStudy (anonymous):

STEP 1: Begin by using the Distributive Property to remove the inner parentheses. STEP 2: Use the Distributive Property to remove the outer parentheses. STEP 3: Combine like terms

OpenStudy (anonymous):

I don't get what they are saying?

OpenStudy (anonymous):

stupid formatting

OpenStudy (anonymous):

i would not wait until the end to combine like terms. i would combine them as i went along. make you life a lot easier

OpenStudy (anonymous):

oops. i messed up :/ −9x − 3(2x − 4(x + 8)) − 10 u will start with distributing the -4: -9x -3(2x -4x -32) -10 then you need to combine like terms: -9x -3(-2x -32) -10 then you distribute the -3: -9x + 6x + 96 -10 simplify: -3x + 86

OpenStudy (anonymous):

\[−9x − 3(2x − 4(x + 8)) − 10\] multiply by -4 in the inner parentheses to get \[-9x-3(2x-4x-32)-10\] then combine like terms to get \[-9x-3(-2x-32)-10\] then multiply by -3 to get \[-9x+6x+96-10\] then combine like terms to get \[-3x+86\]

OpenStudy (anonymous):

what bob said

OpenStudy (anonymous):

:)

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