Question

Найти сумму и произведений корней уравнения:
3х^2-7x-3=0

Answer 1

$ax^{2}+bx+c=0\\\\x_{1}+x_{2}=-\frac{b}{a}\\\\x_{1}*x_{2}=\frac{c}{a}$

$3x^{2}-7x-3=0\\\\x_{1}+x_{2}=\frac{7}{3}=2\frac{1}{3}\\\\x_{1}* x_{2}= \frac{-3}{3}=-1$