Question

Решите уравнение 3x^+5x=2

Answer 1

$3x^2 + 5x = 2 \ 3x^2 + 5x - 2=0 \ D = 5^2 - 4*3*(-2)=25+24=49 \ x_{1}= frac{-5+7}{2*3}= frac{2}{6}= frac{1}{3} \ x_{2} = frac{-5-7}{2*3}= frac{-12}{6}=-2$
Ответ: $x_{1}= frac{1}{3}, x_{2} = -2$