Factorising Quadratics

Question 1:

2 x2+7x+3
2x+1x+3

Question 2:

5 x211x12
5x+4x3

Question 3:

4 x2+11x3
4x1x+3

Question 4:

2 x23x2
2x+1x2

Question 5:

6 x211x10
2x53x+2

Question 6:

6 x2+5x+1
3x+12x+1