Question

3х 2+14х-5=0 решите пожалуйста

Answer 1

$3 x^{2} +14x-5=0 \ D=(14)^2-4(-15)=196+60=256 \ x_{1}= frac{-14- sqrt{256} }{2*3}= frac{-14-16}{6}=- frac{30}{6}=-5 \ x_{2}=frac{-14+ sqrt{256} }{2*3}= frac{-14+16}{6}=frac{2}{6}= frac{1}{3}$

Answer 2

3х+2+14х-5=0
17х=5-2
17х =3
х=3/17