Предмет: Алгебра, автор: a9799027

Сократите дробь 3х²-4х-4 / 2-х

Ответы

Автор ответа: ИрИшКа17102003
1

Ответ:

3х²-4х-4=0

Решаем через дискриминант

D=(-4)²-4(-12)=16+48=64, √D=8

x1=4-8/6= -4/6= -2/3

х2=4+8/6=2

\frac{(х+2/3)(х-2))}{2-х}=-х-2/3

N -это х

Ответ: -х- \frac{2}{3}

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