murph393
murph393
24-08-2017
Mathematics
contestada
Reduce 7y + 2y 2 - 7 by 3 - 4y.
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starxin
starxin
24-08-2017
[tex]2y^2+11y-10[/tex]
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choixongdong
choixongdong
24-08-2017
Reduce 7y + 2y^2 - 7 by 3 - 4y.
its mean subtract 3 - 4y from 7y + 2y^2 - 7
so
7y + 2y^2 - 7 - (3 - 4y)
= 2y^2 + 7y -7 - 3 + 4y
= 2y^2 + 11y - 10
hope it helps
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