II.
III. For nos. 1 – 10, solve for the value of x by factoring.
1. 3 x 2  x
2. x 2  x  12  0
3. x 2  4 x  21  0
4. x 2  3x  18
5. x 2  8 x  15
6. 2 x 2  7 x  15
7. 6 x 2  19 x  10  0
8. 9 x 2  42 x  49
9. 4 x 2  32 x  64
10. 2 x( x  6)  22 x