Question

rezolvati ecuatia. 3xpatrat+4x+1=0

Answer 1

$3x^{2} +3x+x+1=0$$3 x^{2} +4x+1=0$
3x(x+1)+(x+1)=0
(x+1)(3x+1)=0
x+1=0⇒x=-1
3x+1=0⇒x=-1/3