Question

решите уравнение    3x²-5x+3=0

Answer 1

D = 25 - 24 = 1
Следовательно, x1 = 1, x2 = 2/3

Answer 2

x² + bx + c = 0
a = 3
b = -5
c = 3
Д= b² - 4ac = (-5)² - 4*3*3 = 25 - 36 = -11
Д= √-11
x' = -b/2a + Д/2a = 5/6 + √-11/6 x" = -b/2a - ∆/2a = 5/6 - √11i/6
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Answer 3

Ну, ошиблась, бывает :)