Simplify the following
Need the answer asap

answer:
1.
[tex]9y - 1[/tex]
2.
[tex] { \times }^{3} - { \times }^{2} + \times [/tex]
3.
[tex] - 3 {a}^{2} + a + 2[/tex]
4.
[tex] - { \times }^{2} [/tex]
5.
[tex] - 4 { \times }^{5} + 16 { \times }^{3} - 20 { \times }^{2} [/tex]
6.
[tex]8 { \times }^{3} + 6 { \times }^{2} - 32x + 15[/tex]
7.
[tex] { \times }^{2} - \times - 20[/tex]
8.
[tex]24 { \times }^{2} - 6 \times + 1[/tex]
9.
[tex] { \times }^{2} - 6 \times + 5[/tex]
10.
[tex]10 { \times }^{5} + 3 { \times }^{3} - 2 \times [/tex]