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Viktoria818
@Viktoria818
June 2022
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Помогите решить задание А4
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rubilovalex
(3х-5у)²-3х(3х-10у) = (3х)²-2*3х*5у+(5у)²-3х*3х-3х*(-10у) =
= 9х²-30ху+25у²-9х²+30ху = 25у²
Ответ: Б)
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Viktoria818
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9x^2-30xy+25y^2-9x^2+30xy=25y^2. ответ: буква- Б).
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Viktoria818
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Answers & Comments
= 9х²-30ху+25у²-9х²+30ху = 25у²
Ответ: Б)
Verified answer
9x^2-30xy+25y^2-9x^2+30xy=25y^2. ответ: буква- Б).