Factorising Quadratics

Question 1:

2 x2+9x+9
2x+3x+3

Question 2:

4 x2x3
4x+3x1

Question 3:

5 x217x12
5x+3x4

Question 4:

3 x24x+1
3x1x1

Question 5:

6 x211x+3
2x33x1

Question 6:

6 x2+17x+5
3x+12x+5