A few days ago
what is 9y+21?
factor an check by multiplying
Top 4 Answers
A few days ago
Favorite Answer
you can’t solve that; it’s not an equation… factoring gets you 3(y + 7). Distribute that out by multiplying and you get 9y + 21.
2
A few days ago
9y + 21
Factorise by taking out common factor of 3
=3(3y + 7)
Multiply out to check
=3*3y + 3*7
=9y + 21
0
A few days ago
By factoring, the answer is (3y+7) (1+2).
When you multiply it out, 3y times 1 is 3y, and 3y times 2 is 6y. 3y + 6y is 9y. Then, 7 times 1 is 7, and 7 times 2 is 14. 14 + 7 is 21.
0
A few days ago
9y+21
9y+21=0
9y=-21
9y/9=-21/9
y=-2 3/9
y=-2 1/3
9y+21=0
9(-2 1/3)+21=0
21-21=0
0=0
0
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