Factorising Quadratics

Question 1:

2 x2+7x+5
2x+5x+1

Question 2:

3 x222x+24
3x4x6

Question 3:

2 x2x15
2x+5x3

Question 4:

5 x213x6
5x+2x3

Question 5:

6 x2+23x+20
3x+42x+5

Question 6:

6 x2+7x20
3x42x+5