Question

(a -36)3 + (a + 3b)3​

Answer 1

Answer:

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Answer 2

Step-by-step explanation:

2a+b)3−(a+3b)3

=(2a+b−a−3b)[(2a+b)2+(2a+b)(a+3b)+(a+3b)2]

=(a−2b)(4a2+4ab+b2+2a2+6ab+ab+3b2+a2+6ab+9b2)

=(a−2b)(7a2+17ab+13b2)

A

Actually question is wrong