September 2018 2 12 Report

rozwiąż równania :

4*(6-3x)=20+2x

(x+7)do potegi drugiej = (x-7) (x+7)-3

3x do potegi drugiej - 2(x-1)(x+1)=(x+3)do potegi drugiej

(5-2x)do potegi drugiej +10 = 4 (x+1) (x-1)

prosze o wszystkie obliczenia ! :D


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