August 2018 1 18 Report
Rozwiąż równania i nierówności:
1. √4x²+12x+9=5
wynik -4;1

2. √x²-10x+25<1
wynik (4;6)

3.√4x²-12x+9 ≥ 5
wynik (-∞ ; -1 > <4; +∞)
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