show that (4pq+3q)²-(4pq-3q)²-48pq²
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Step-by-step explanation:
(4pq+3q)²-(4pq-3q)²-48pq²
=(4pq+3q+4pq-3q)(4pq+3q-4pq+3q)-48pq²
=8pq×6q-48pq²
=48pq²-48pq²
=0
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