F(X)= - 9X2 + 6X – 1 8. F(X)(2X + 1)(X2 + X – 30+−23XX1237+−2 − −2X...

7. - ON TAP KIEM TRA HOC KI 2 LOP 10
ON TAP KIEM TRA HOC KI 2 LOP 10
7. f(x)= - 9x

2

+ 6x – 1 8. f(x)(2x + 1)(x

2

+ x – 30+−

2

3x127

2

− −