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Liza12345m
@Liza12345m
July 2022
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решите уравнение 4у(2-у)+у(4у+2)=8 и вот это 3а+а в квадрате+2=а(а-4)
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Answers & Comments
kamasheva2016
4y(2-y)+y(4y+2)
8y-4y²+4y²+2y=8
10y=8
y=8/10=4/5
3a+a²+2=a(a-4)
3a+a²+2=a²-4a
3a+a²+2-a²+4a=0
7a=-2
a= -2/7
2 votes
Thanks 1
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Answers & Comments
8y-4y²+4y²+2y=8
10y=8
y=8/10=4/5
3a+a²+2=a(a-4)
3a+a²+2=a²-4a
3a+a²+2-a²+4a=0
7a=-2
a= -2/7