gianttamer2 gianttamer2

21-11-2018
Mathematics

contestada

1. factor 21w+28 using the gcf
2. factor 1/3 out of 1/3p - 2/3
3. factor -6 out of 12y -42 please explain ASAP!!!!! 15 POINTS!!!!!

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apologiabiology apologiabiology

21-11-2018

1.

21=3*7

28=2*2*7

gcf: 7

21w+28=7(3w)+7(4)=7(3w+4)

2.

1/3p-2/3=1/3p+(-2/3)=1/3(p)+1/3(-2)=1/3(p-2)

3.

12/6=2

-42/6=-7

12y-42=12y+(-42)=6(2y)+6(-7)=6(2y-7)

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