Сократите дробь: A)(a^2-b^2-c^2+2bc)/(b^2-c^2-a^2-2ac) B)...

Question

Сократите дробь:
A)(a^2-b^2-c^2+2bc)/(b^2-c^2-a^2-2ac)
B) (x^(n+2)-4x^(n+1)+4x^n)/(x^3-6x^2+12x-8)

Answer 1

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