Write (7p - 4q)3 in the expanded form
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Answer:
-758pq
Step-by-step explanation:
identity
(a-b)3=a3-3a2b+3ab2-b3
(7p-4q)3=7p3-3×7p2×4q+3×7px4q2-4q3
=343p-588pq+336pq-849
= -245q-513p
= -758pq
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