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Elymi
@Elymi
July 2022
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(х²-25)²+(х²+3х-10²)=0
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danaiskindirovA
Verified answer
(х²-25)²+(х²+3х-10)²=0
(x-5)²·(x+5)²+(x-2)²(x+5)²=0
(x+5)²·((x-5)²+(x-2)²0=0
(x+5)²·(x²-10x+25+x²-4x+4)=0
(x+5)²·(2x²-14x+29)=0
x+5=0 или 2x²-14x+29=0
x=-5 D=196-4·2·29<0
нет корней
Ответ. х=-5
3 votes
Thanks 3
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Verified answer
(х²-25)²+(х²+3х-10)²=0(x-5)²·(x+5)²+(x-2)²(x+5)²=0
(x+5)²·((x-5)²+(x-2)²0=0
(x+5)²·(x²-10x+25+x²-4x+4)=0
(x+5)²·(2x²-14x+29)=0
x+5=0 или 2x²-14x+29=0
x=-5 D=196-4·2·29<0
нет корней
Ответ. х=-5