Question

(b+c^3)^2
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Answer 1

Ответ:

(b+c^3)^2=b^2+2bc^3+(c^3)^2=b^2+2bc^3+c^6

Answer 2

Ответ:

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

(b+c^3)^2=b^2+2bc^3+c^6