СРОЧНО! ребята, помогите. Created by Polyakovamusic. algebra-ru

СРОЧНО! ребята, помогите...

zhdanova2003ru

Воспользуемся теоремой Виета.

$1)\; \; x^2+x-6=0\; \; ,\; \; x_1=-3\; \; \to \; \; x_2\cdot (-3)=-6\; \; ,\; \; x_2=2\\\\2)\; \; x^2+8x+15=0\; \; ,\; \; x_1=-3\; \; \; \; x_2\cdot (-3)=15\; \; ,\; \; x_2=-5$

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NNNLLL54

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Ответ:

Объяснение:

$= x^{2} + 5x + 3x +15 =0\\(x + 5) * (x + 3) =0\\x1 =- 5\\x2 = -3$

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