4p²-9p² use suitable identity
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Answered by
0
Answer:
(a+b) (a-b)=a²-b²
substitute this identities
Answered by
3
Answer:
4p²–9p²
= using identity {a² – b² } = { a + b } {a – b }
puting values,,
(9p+4p)(9p–4p)
= 13p×5p
= 65p.
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