{(1/5 p + 1/6 q) * [9/4 p^2 + 4 q^2- 6 p q - 9/4 p^2 + q^2)] + qp^2 + 1/6 q^3} * (p^2 + 5 q^2);
{(1/5 p + 1/6 q) * [5 q^2 - 6 p q] + p^2 q + 1/6 q^3} * (p^2 + 5 q^2);
{p q^2 - 6/5 p^2 q + 5/6 q^3 - p q^2 + p^2 q + 1/6 q^3} * (p^2 + 5 q^2);
{- 1/5 p^2 q + q^3} * (p^2 + 5 q^2);
- 1/5 p^4 q - p^2 q^3 + p^3 q^2 + 5 q^5