Multiplying polynomials

1. (4m^3-2t)^2
2. (2b^2-g)(2b^2+g)
3. (4q+5t)(4q-5t)
4. (7v-2)^2
5. (Z+13)(Z-13)
6. (X-10)^2
7. (q+8)^2
8.(n+9)^2
PLEASE HELP!!
ANSWER QUICK please