A Whole Bunch Of Factoring...Help

Guys if you could just help me with any of these problems it would greatly be appreciated..I just can't seem to get factoring..thanks again

1. Factor completely: 4u^2-7u-28u+49 ANSWERED

2. Solve: 2v^2=5v+3

3. Factor by grouping: 2s^2+7s+5

4. Factor the trinomial: 3w^2-39w+108

5. Factor: 50w^2+20w+2

6. Factor the trinomial: 42a^2-13a-42

7. Solve: 6w^2=7w

8. Solve the equation: 49s^2+84s=-36

9. Solve: a^2=35-2a

10. Solve the equation for a: 5a^2+39a+54=0

11. Factor by grouping: 6c^2-19c+10

12. Factor by grouping: 4+7xy-14y-2x

13. Factor by grouping: 4u^2+9u-28

Once again ANY help would be greatly appreciated..I know its alot and I apologize but this topic is NOT my cup of tea (Crying)