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Bonjour
25-100X^2=0
-100X^2 = -25
100X^2 = 25
X^2 = 25/100
X^2 = 0,25
deux solutions
X = +√(0,25) = 0,5 et X = -√(0,25) = -0,5
Bonjour
25-100X^2=0
-100X^2 = -25
100X^2 = 25
X^2 = 25/100
X^2 = 0,25
deux solutions
X = +√(0,25) = 0,5 et X = -√(0,25) = -0,5