Question 418017
3x^2+5x-2=0

you multiply 3 with -2=-6

get possible factors 1*6 2*3
choose so that when you multiply you get -6 and when you add you get +5

3x^2+6x-1x-2=0
3x(x+2)-1(x+2)=0
(3x-1)(x+2)=0  so either 3x-1=0 or x=1/3
                  or x+2=0 or x=-2