Question

(3x+4y) ³

please tell fast
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Answer 1

Answer:

27x³ + 64y³ + 108x²y + 144xy²

Step-by-step explanation:

( a + b )³ = a³ + b³ + 3a²b + 3ab²

(3x+4y)³ = (3x)³ + (4y)³ + 3(3x)(3x)(4y) + 3(3x)(4y)(4y)

= 27x³ + 64y³ + 108x²y + 144xy²