Question

hou work out (a+b)^3 a3-b3=(a-b) (a2 tabt62) - 8a3_27b³​

Answer 1

(a - b)3 = (a - b)(a - b)(a - b)

= (a2 - 2ab + b2)(a - b)

= a3 - a2b - 2a2b + 2ab2 + ab2 - b3

= a3 - 3a2b + 3ab2 - b3

= a3 - 3ab(a-b) - b3

Therefore, (a - b)3 formula is:

(a - b)3 = a3 - 3a2b + 3ab2 - b3

Answer 2

Step-by-step explanation:

HERE IS YOUR ANSWER

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