9. Resuelve la ecuación:


1. x(19x+3)
18
- x(3x-2)
3
= x
2. x2- x(11x-21)
20
= x(x+2)
2
3. x
5
+ x(3x-2)
5
- x(x-2)
2
= x
4. x(7x+1)
12
+ x(x+3)
3
-x2 = x
5. x(13x-5)
18
+ x(3x+2)
9
= x2
6. x+2
2
- 2
3
x(x+1)- 2
3
x+x = 1
7. 3x
2+3
4
-1 = x2- 4x
2-x+5
20
8. x(11x-4)
12
-x2+x = x(x+2)
6
9. x(x+2)
9
- 2x(2x-11)
27
= x
10. x2- x(2x-1)
4
- x(9x+5)
16
= 0
11. x2- x
2-3
10
- 16x
2+x-14
20
= 1
12. x2- x(2x-3)
6
- x(7x-5)
9
= x
13. x(4x+7)
10
+ x(3x+1)
4
-x2 = x
14. x(11x-13)
20
+ x(x-1)
2
= x2-x
15. x2- x
2-2x
4
- 16x
2-11x
20
= x
16. x2- x(2x-1)
3
- x(7x-11)
18
= x
17. x(7x+3)
12
+ x(3x+2)
4
-x2 = x
18. x2- x(10x-13)
18
= x(x-1)
3
+x
19. x2- x(x-1)
3
- x(17x-20)
27
= x
20. x(15x+17)
20
+ x(x+1)
5
-x = x2