A²-81 a³+8a²-2ab+b²(b-²)³b²-49b³-8a²+2ab-b²помогите даю 25 баллов!!

Question

A²-81

a³+8

a²-2ab+b²

(b-²)³

b²-49

b³-8

a²+2ab-b²



помогите даю 25 баллов!!

Comments

the last one isn't it +b^2?

Answer 1

I hope this helps you

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Comments

спасибо)))

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не за что^-^