Ответ:
Объяснение:
- 9 = 0 или х^2+2x-24=0
= 9 D= 2^2 - 4 * 1 * (-24) = 4 + 96 = 100
х = 81 x1= (-2+10)/2 = 8/2 = 4
x2= (-2-10)/2 = -12/2 = -6
1)X2+2x-24
D=4-4•(-24)=100
X1=(-2+10):2=4.
X2=(-2-10):2=-6
(X-4)(x+6)
x=81
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Ответ:
Объяснение:
- 9 = 0 или х^2+2x-24=0
= 9 D= 2^2 - 4 * 1 * (-24) = 4 + 96 = 100
х = 81 x1= (-2+10)/2 = 8/2 = 4
x2= (-2-10)/2 = -12/2 = -6
1)X2+2x-24
D=4-4•(-24)=100
X1=(-2+10):2=4.
X2=(-2-10):2=-6
(X-4)(x+6)
x=81