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LOLxD98
@LOLxD98
July 2022
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Решите 5x^2+17x-126=0
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Verified answer
5x²+17x-126=0
D=17²-4*5*(-126)=289+2520=2809=53²
x1=(-17+53)/2*5=36/10=3,6
x2=(-17-53)/2*5=-70/10=-7
Ответ: -7 и 3,6
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Answers & Comments
Verified answer
5x²+17x-126=0D=17²-4*5*(-126)=289+2520=2809=53²
x1=(-17+53)/2*5=36/10=3,6
x2=(-17-53)/2*5=-70/10=-7
Ответ: -7 и 3,6