October 2018 1 17 Report

Proszę o pomoc.

Zadanie 1 Uprość wyrażenia :
wzór pokazowy : 2(x-3)-5(x+1)=2x-6-5x-5=-3x-11
a) 4(2x-1)-6(2x-3)=
b) -5(2x-3)-4(x-5)=
c) 2x(2x-3)-x^2 (x-1) =


legenda : x^2 -x do kwadratu ;p


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