Answer:
pq(p-q)
Explanation:
1st eqn:
p³q-pq³
pq(p²-q²)
pq(p-q)(p+q)
2nd eqn:
p⁵q²-p²q⁵
p²q²(p³-q³)
p²q²(p-q)(p²+pq+q²)
HCF :pq(p-q)
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