résoudre l'équation avec ce que l'on a vu en 3èmes. Merci
2x²-10x+24=13.5
2x² - 10x + 10.5 = 0
tu calcules le "delta"
delta = 100 - 84 = 16
x1 = (10 - 4)/4 = 3/2x2 = (10 + 4)/4 = 7/2
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2x² - 10x + 10.5 = 0
tu calcules le "delta"
delta = 100 - 84 = 16
x1 = (10 - 4)/4 = 3/2
x2 = (10 + 4)/4 = 7/2