Question

Please answer correct it is urgent.
Factorise (2a+b)^3-(a+2b)^3​

Answer 1

Step-by-step explanation:

(2a+b)^3 - (a+2b)^3

=(2a+b-a-2b){(2a+b)^2+ (a+2b)^2 + (2a+b)(a+2b)}

= (a-b) (4a^2+b^2 + 4ab + a^2 +4b^2 -4ab + 2a^2 + 2ba+ ba+2b^2)

= (a-b) (7a^2 + 7b^2+2ab)

Hope this helps.

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