Автор - Diana5558

БЫСТРО!!!
1)-x^2-2x+24=0
2)-x^2-5x+6=0

Ответ

Автор - Akula17
D=b^{2} -4ac=(-2)^{2} -4*(-1)*24=4+96=100
 sqrt{D} =10
 x_{1} =  frac{2+10}{2} = frac{12}{-2} =- 6
 x_{2} =  frac{2-10}{2} = frac{-8}{-2} =4
Ответ: - 6; 4 
D=b^{2} - 4ac=(-5)^{2} -4*(-1)*6=[tex]25+24=49
 sqrt{D} =7
 x_{1}= frac{5+7}{-2} = frac{12}{-2} =-6
 x_{2} = frac{5-7}{2} = frac{-2}{-2} =1
Ответ: - 6;1.

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