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lenamoshenscka
@lenamoshenscka
July 2022
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решите уравнение (y-3)^2+3(y+2)(y-2)=9+4y^2
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dasha09900
Y-3)²+3(y+2)(y-2)=9+4y²
у²-6у+9+3у²-12=9+4у²
4у²-4у²-6у=9-9+12
-6у=12
у=12:(-6)
у=-2
5 votes
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Answers & Comments
у²-6у+9+3у²-12=9+4у²
4у²-4у²-6у=9-9+12
-6у=12
у=12:(-6)
у=-2