Предмет: Алгебра, автор: Кристи78

5x2 + 1  = 6х – 4х2.(пять х в квадрате  плюс 1 = шестьх - 4 х в квадрате)
Укажите число  корней квадратного уравнения: 

Ответы

Автор ответа: rikkirose
0
9x^2-6x+1=0. k=6/2=3. D=9-9=0. X=3/9 x=1/3. 1 корень
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