Question

(3a+4b)
$(3a + 4b) {3}^{?}$
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Answer 1

(3a + 4b)³ = (3a)³ + (4b)³ + 3*3a*4b(3a+4b)

= 27a³ + 64b³ + 36ab(3a + 4b)

= 27a³ + 64b³ + 108a²b + 144 ab²