Question 6103
1) x2-5x+6=0
(x-6)(x+1)=0
x=6, -1

2) 2x2-9x-5=0
(2x+1)(x-5) =0
x=-1/2, 5

3) 3x2+5x-2=0
(3x-1)(x+2)=0
x-1/3,-2