Question

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wright each polynomial in standard form
7. 3+b^3+b^2
9. n^3+4n^5+n-n^3
11. p^3q^3
13. (6s^4+7s^2+7)+(8s^4-11s^2+9s)
15. (8z^3-3z^2-7)-(z^3-z^2+9)
simplify. write in standard form
17. 4m(2m+9m^2-6)
19. 3d(6d+d^2)
21. q(11+8q-2q^2)