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October 21, 2014

October 21, 2014

Posted by **WVSU** on Friday, January 23, 2009 at 8:47pm.

Amy

-4(1-2m+n)+4

- Math 012 Help -
**bobpursley**, Friday, January 23, 2009 at 8:57pmMultiply everything in the ( ) by -4.

-4+8m-4n + 4

Note the sign changes

Now gather terms. Check me

8m-4n

- Math 012 Help -
**lyne**, Friday, January 23, 2009 at 9:02pmyou have to bring the -4 into each number that is in the parenthesis by multiplication.

so you do -4 x 1, -4 x 2m, and -4 x n

you should get -4 + 8m - 4n

then add on the 4 at the end so you get

-4 + 8m -4n + 4

it simplifies to 8m - 4n since the positive and negative fours cancel

post back if u dont understand

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