write the expanded form of (2p+3q)^3
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Answer:
8p³+36p²q+54pq²+27q³
Step-by-step explanation:
It is in the form (a+b) ³=a³+3ab(a+b) +b³
where substitute a=2p,b=3q
(2p+3q)³=(2p)³+3(2p)(3q)(2p+3q)+(3q)³
=8p³+18pq(2p+3q)+27q³
=8p³+36p²q+54pq²+27q³
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