Factorising Quadratics

Question 1:

2 x2+15x+18
2x+3x+6

Question 2:

5 x2+6x+1
5x+1x+1

Question 3:

3 x2+10x25
3x5x+5

Question 4:

5 x2+13x+6
5x+3x+2

Question 5:

6 x2+7x+2
3x+22x+1

Question 6:

6 x217x+12
3x42x3