Expand $5h(7h^2-3h-3)$.

Multiply $(4m^4{n}^3)(4m{n}^4)$.

Multiply $(7p^4{q}^3)(4p^3{q}^4)$.

Expand $-7t(4t^2-5t+2)$.

Expand $7a(6a^2-5a-9)$.

Divide $72b^3+16b^2$ by $8b^2$.

Expand $-7b(8b^2+8b+4)$.

Divide $14m^6{n}^3$ by $2m^{3}n$.

Expand $-4x(4x^2-4x-6)$.

Expand $-9m^2(2m+5)$.

Expand 7k(3k + 7).

Divide $15x^5+10x^4$ by $5x^4$.

Divide $18h^4-54h^3$ by $6h^3$.

Expand $4k^2$(4k - 2).

Expand 9t(6t - 2).

Expand $2w^3$(3w + 4).

Divide $18p^4-12p^3$ by $6p^3$.

Expand $-7t(6t^2-8t-6)$.

Expand $7x(8x^2-3x-9)$.

Expand $-6x^3(7x-2)$.

Divide $72p^6{q}^7$ by $8p^4{q}^3$.

Expand $5n^3$(7n - 3).

Expand $5b(7b^2-7b+8)$.

Divide $42k^3+36k^2$ by $6k^2$.

Expand $3t(2t^2+2t+2)$.

Expand $6b(3b^2-7b-2)$.

Divide $14x^4+18x^3$ by $2x^3$.

Expand $2r(4r^2+8r+4)$.

Multiply $(4m^2{n}^3)(5m^2{n}^4)$.

Expand $2h(3h^2+5h+8)$.

Divide $24w^4+56w^3$ by $8w^3$.

Expand $3r(8r^2+5r+2)$.

Divide $18w^4-48w^3$ by $6w^3$.

Expand $-3k(6k^2+3k-6)$.

Divide $14u^4{v}^7$ by $2u^3{v}^3$.

Expand -8t(6t - 9).

Expand $-2b(8b^2-3b-5)$.

Divide $24t^3-24t^2$ by $3t^2$.

Expand -7a(7a - 9).

Divide $30b^3+48b^2$ by $6b^2$.