Question

8a + 27b3 by 2a + 3b​

Answer 1

Answer:

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Step-by-step explanation:

We have,

2a+3b+c=0

2a+3b=−c                …….. (1)

 

On taking cube both sides, we get

(2a+3b)3=(−c)3

8a3+27b3+3×2a×3b(2a+3b)=−c3

8a3+27b3+18ab(2a+3b)=−c3

From equation (1),

8a3+27b3+18ab(−c)=−c3

8a3+27b3−18abc=−c3

8a3+27b3+c3=18abc

hope this was helpful to you sister