Solve 3x2+13x+10=0.
The given equation is 3x2+13x+10=0
⇒3x2+10x+3x+10=0⇒x(3x+10)+1(3x+10)=0⇒(x+1) (3x+10)=0⇒x=-1,-103
Hence x=-1,-103 is the correct answer.