dani19cano
01.07.2019 •
Mathematics
1. factor 21w+28 using the gcf 2. factor 1/3 out of 1/3p - 2/3 3. factor -6 out of 12y -42 explain ! 15 !
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Ответ:
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)
Ответ:
X+y =w+g-2xu=4xy-y=u