Factoring a Trinomial - Level 2

1)

10x2 + 23x + 12 = 0

2)

5x2 + 39x + 28 = 0

3)

6x2 + 17x + 12 = 0

1)	10x2 + 23x + 12 = 0	2)	5x2 + 39x + 28 = 0	3)	6x2 + 17x + 12 = 0
	{-3/2 , -4/5}		{-7 , -4/5}		{-3/2 , -4/3}