----- Nội dung dịch tự động từ ảnh -----
1. A=
6x+1 6x-1x-36
+
x²-6x x²+6x) x²+1
x²-1 2x x²-1 10-x
+
2. B=
x+10x+2x+10x+2
X x-1
3. C=
X-
X
x+1 X
+
4. D= y²+3y(y+3
3-y 2y+3y2-3y y2
X-6 2x-6 X
X
5. E=
+
x²-36 x²+6xx²+6x 6-x
x+2 2
2-4x x2-3x-1
6. G=
+
+
3x x+1
x+1
3x
1+2x
X
2x²
24-12x
7. H=
4+2x 3x-6 3x²-12 6+13x
x+x'
x-x'
8. I=
1+x²
-X 1+x
5x+1
1-2x
2
9. M=
x-1 x+x+1
(a-b)+4ab ab-ba
1-x
10. N=
a+b
ab
11. P=
X x'-8 x²-2x+4
-
x+2x+8 x2-4
X
12. Q
=
+
+
-X
x³-3x
13. S=
x²-9
1 ) =
9-x²
x-3x+2
+
(x+3)(x-2) x-2
x+
2x + x2
X+2
14. T=
x'-1
x-
x+x+1,