nessaty13
25.06.2019 •
Mathematics
X/2+y/3-z/4= a. 6x-4y-3z/12 b.-6x-4y-3z/12 c.6x+4y-3z/12 d.-6x+4y-3z/12
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Ответ:
chiken
Step-by-step explanation:
Ответ:
n = -1
n = 8
Step-by-step explanation:
3n^2=21n+24
0=-3n^2+21n+24
0=-3(n^2-7n-8)
0=-3(n+1)(n-8)
0=n+1
n=-1
0=n-8
n=8