3x? + 7х -10
Ja)
4x-17
b)
2x +1
X-6
c)
X-4
V ) 1. 2x -5 3x – 5 _0
d) 1+
= 0
x-1
X-2
X- 2
Jo
х-3 х-2
e)
X- 2
X-
X-2
x-
= 3-
X-4
=-1
X-4
Зх -2 6х +1
g)
х+7
h)
X-2
х+1 х-1 2(х* +2)
x² -4
%3D
2х-3
X+2
2х +1 5(х-1)
i)
X-1
X-1
j)
X+2
5х-2
%3D
4-х
!!
X +1
X-2
x-2
k)
2+x
2(х -11)
x -4
x-1 x² + ...
Xem thêm