(4pq-5q²-3p²)-(5pq+3q²-pq)
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Step-by-step explanation:
4pq(5pq+3q^2-pq)-
5q^2(5pq+3q^2-pq)-
3q^2(5pq+3q^2-pq)
=20p^2q^2+12pq^3-4p^2q^2-25pq^3+15q^4-5pq^3-15p^3q+9p^2q^2-3p^3q
=20p^2q^2+4p^2q^2+9p^2q^2+12pq^3-25pq^3-5pq^3-15p^3q+3p^3q+15q^4
=33p^2q^2+(-8pq^3)-33p^3q