Question

8) Simplify: (2a + b)3 - (2a - b)3​

Answer 1

Answer:

9(4a^2-b^2)

Explanation:

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

(6a+3b)-(6a-3b)

(6a)^2-(3b)^2

36a^2-9b^2

9(4a^2-b^2)

Answer 2

Answer:

24a^b+2b^3

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