Question

Simplify : 2p2q2+ 3pq2–5p2q2–7pq2 plz answer

Answer 1

$=> 2p^2q^2+3pq^2-5p^2q^2-7pq^2 \\\\ => 2p^2q^2-5p^2q^2+3pq^2-7pq^2 \\\\ =>p^2q^2(2-5) + pq^2(3-7) \\\\=>p^2q^2(-3)+pq^2(-4) \\\\ =>-3p^2q^2-4pq^2$