factorise 5pq(p²-q²)÷2p(p+q)
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Step-by-step explanation:
5pq(p^2-q^2)÷2p(p+q)
={5pq(p+q)(p-q)}/2p(p+q)
=5q/2(p-q)
=1/2×5q(p-q)
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