Question

Упростить выражение :p^2(p-2q)+q(2p^2-q^2)

Answer 1

${p}^{3} - 2 {p}^{2} q + 2 {p}^{2} q - {q}^{3} = {p}^{3} - {q}^{3}$

Answer 2

=p^2(p-2q)+q(2p^2-q^2)=p^3 -2p^2q+2p^2q-q^3=p^3-q^3