September 2018 1 25 Report

Trzeba skorzystać z wzorów skróconego mnożenia. Pomóżcie... Dam naj.

a) (x²-1)³-(x-1)(x²+1)(x+1)+4x²(x²+1)

b) (3x-1)³-3(x+1)(x²-x+1)+2(x-2)³


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