(3mn+4pq)^3
simplify
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Answer:
(a+b)³=a³+b³+3ab(a+b)
(3mn+4pq)³=(3mn)³+(4pq)³+3(3mn)(4pq)(3mn+4pq)
=27m³n³+64p³q³+36mnpq(3mn+4pq)
=27m³n³+64p³q³+108m²n²pq+144mnp²q²
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