These are the questions i cannot seem to answers from my review, any help would be great!

Factor the following trinomials (sanity check)

1)(COMPLETED)

2)(COMPLETED)

Identify the coefficents, factors and terms and like terms for the following

3)(COMPLETED)

4)(COMPLETED)

Simplify

5)(COMPLETED)

6) Subtract from the sum of and(COMPLETED)

Multiply the folliwng expressions and reduce where possible

7)(COMPLETED)

8)(COMPLETED)

9)(COMPLETED)

Divide the following expressions

10)(COMPLETED)

11)

Factor

12)

13)(COMPLETED)