alexis24852
13.10.2019 •
Mathematics
Solve n3 + 2n2 - 15n = 0 by factoring.
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Ответ:
n(n^2+2n-15)=0
n(n^2+5n-3n-15)=0
n(n(n+5)-3(n+5))=0
n(n-3)(n+5)=0
n={-5, 0, 3}
Ответ:
I would use this proportion
24 / 3 18/x
18 times 3=54
54 divided by 24=2.25
X=$2.25