Giai phương trình

----- Nội dung dịch tự động từ ảnh -----
x-I 3
3.
2-5
b 3-2
2-5 -5
d) 1.
-2
3-2 6
x+7 2x-3
-I 2x2)
x-2 x+2
2x +1 Sx-)
-2
x-I'+x-2+
-2 3 2x-1D
2+x x-2
x+ x-I
IS
4(x-5) 50-2
2x
13
(x-32x + 7 2s+7
X1-4') 6x-3 4*
IS
4. a)
*+1 x-2 (x+1X2-x)
3-x (x+23-x) x+2
x+21 2
X-2 X Mx-2)
x'-(- 7-I
(4 + 3x-5) 4x3
x-I x-3 (x-D0-x)
2-3 2-3)
2x+5
13
h)
(x-JK2x + 7) 2 +7 (x-3x+ 3)
(x-IXx + 3)
-2 x-5 (x-2xS-K)
(x-IX-2) (x-3x-1) (x-2 -3)