Question

$3x ^{2} - 5x = 0$
дискриминант
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Answer 1

Ответ:

$3x^2-5x=0\\\\D=b^2-4ac = 25-4*3*0 = 25\\\\x_1 = \frac{-b+\sqrt{D}}{2a} = \frac{5+5}{6}=1\frac{2}{3} \\\\x_2= \frac{-b-\sqrt{D}}{2a} = \frac{5-5}{6}=0$