Bonsoir
0,1x² -0,6x+0,3 = 0
[tex]\Delta = (-0,6)^2-4\times0,1\times0,3=0,36-0,12=0,24\\\\x_1=\dfrac{0,6-\sqrt{0,24}}{2\times1}=\dfrac{0,6-\sqrt{0,24}}{2}\approx0,55051\\\\x_2=\dfrac{0,6+\sqrt{0,24}}{2\times1}=\dfrac{0,6+\sqrt{0,24}}{2}\approx5,44949[/tex]
