Rozwiaz rownania : a) x² - 50 = 0 b) 2x² - 7 = 0 c) 3x² - 24 = 0 d) 28x² - 14 = 0 e) 27x² - 18 - 0 f) 9x² +4 = 0 g) x² +4x - 21 = 0 h) 6 - x - x² = 0 i) x - x² + 12 = 0 j) 2x² + 5x - 3 = 0 k) - 6x² - 7x + 5 = 0 l) 2x² - 3x - 1 = 0 m) 3x² + 5x + 1 = 0 n) -x² + 3√2x - 5 = 0 Prosze o pomoc ! : ))
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