October 2018 2 12 Report

Zad 1 Wykonaj dzialania :

a) 3(5x-2) - (2x-1)(3x+1) = ?

b) (2b-5)(3-2b) - (3b+2)(b-6) = ?

Zad 2 Zapisz w jak naprostszej postaci :

a) (2a-1)(2a+1) - (a+1)² =

b) x(2x-1)² - 2x(x-1)(x+1) =


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