September 2018 1 20 Report

uprość wyrażenia, podaj odpowiednie złożenia: Pilne!

a.) x-1 x+1 x^2-4

_____- _____ + _____ =

2x+3 3-2x 4x^2-9

b.) x^2+2x-3 x^2+4x+4

_________ *_________ =

x^2-4 x^2+6x+9


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