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uali2014
@uali2014
August 2022
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Решите систему уравнения
1)x(x-1)(x-3)-25=(x-5)(x+5)+3x
2)|x-2|·(x+2)²=4x-8
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ma220299
1) x(x²-4x+3)-25=x²-25+3x
x³-4x²+3x-x²-3x=-25+25
x³-5x²=0
x²(x-5)=0
x=0 x=5
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ma220299
извини вторую не могу
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Answers & Comments
x³-4x²+3x-x²-3x=-25+25
x³-5x²=0
x²(x-5)=0
x=0 x=5