September 2018 2 7 Report

Podane wyrażenie zapisz w najprostszej postaci

a) (x+1)²-x²+2

(b)a-2)²+4-a²

(c)x+4)²+(x-4)²

d)(2a-1)²-(2a+1)²

Prosze o szybkie rozwiązanie


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