* 6u^2v^2+2(u+v) is what I got for #1, I just donÂ’t understand*

2. Factor completely relative to integers.
a(4c + d) – 5b(4c + d)

* 4ca+ad-20bc+5bd is what I got for #2, I just donÂ’t understand*

3. Factor completely relative to integers.
7a2 – 28ab – 7ab + 28b2

* 34B^2 is the answer I got for #3, I just donÂ’t understand*

4. Factor completely relative to the integers. If the polynomial is prime relative to the integers, enter PRIME.
3u3v – uv3

* 3(u^ev)-u is what I got for #4, I just donÂ’t understand*

5. Factor completely relative to the integers. If the polynomial is prime relative to the integers, enter PRIME.
8(x – 5)(3x + 7)2 + 36(x – 5)2(3x + 7)

6. Factor completely relative to the integers.
6u2 + 3uv – 3v2

7. Factor completely relative to the integers. If the polynomial is prime relative to the integers, enter PRIME.
17a3 + a5b3

8. A rectangular open-topped box is to be constructed out of 12 by 20 inch sheets of thin cardboard by cutting x inch squares out of each corner and bending the sides up.
(a) The area, A, of the cardboard after the corners have been removed.
A(x) =
b) The volume, V, of the box.
V(x) =