October 2018 2 31 Report

Rozwiąż równanie:

4(x+2)^{2} - (2x - 1)^{2} = -5

(3-x)^{2} - (x+\frac{1}{3})^{2} = \frac{2}{9}

ze zastosowaniem wzorów skróconego mnożenia...:)


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