14х2 9х

14х2 9х
14х2 9х
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14х2 9х. - 5х²- 9х + 14 = 0. 14х2 +5х-1=0. 14х2 9х 0. 5х2+14х-3=0.
14х2 9х
14х2 9х
14х2 9х. Х:5=14. 14х2 9х 0. 5х- 25 + 2x2 = 17 +13х.. (х+14):9=13.
14х2 9х
14х2 9х
14х2 9х
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14х2 9х. Х2-9х+14. 14х2 9х 0. 2х+14=9-2х. х-9 =14.
14х2 9х
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14х2 9х. 14х2 9х
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14х2 9х. 14х2 9х
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