A) x/(x-2)
B) x/(x+2)
C) Es irreducible
D) x+2

A) (x+5)/(x-8)
B) Es irreducible
C) (x+3)/(x-8)
D) -23/29

A) -2/(x-5)
B) -2x/(2x+3)
C) Es irreducible
D) (2x(5-x))/((x-5)(2x+3))

A) (x - 3)/(x - 2)
B) (x + 3)/(x - 2)
C) (x + 3)/(x + 2)
D) Es irreducible

A) (x + 4)/(x - 5)
B) Es irreducible
C) (x² - 2·x + 4)/(x - 5)
D) (x² - 2·x + 4)/(x + 5)

A) 7/(x² + 3·x + 2)
B) (9·x + 14)/((x + 1)·(x + 2))
C) (9·x + 14)/(x² - 3·x - 2)
D) 7/(x² - 3·x - 2)

A) x/(x+2)+(x-5)/(x-8)
B) (2·x² + 5·x + 10)/((x - 2)·(x - 8))
C) (2·x² - 5·x - 10)/((x - 2)·(x - 8))
D) (2·x² - 5·x - 10)/((x + 2)·(x + 8))

A) (x² - 4)/(x - 3)
B) (x² + 4)/(x - 3)
C) (x² - 4)/(x + 3)
D) (x-4)² /(x - 3)

A) (x - 2)/(2·x)
B) 3·(x + 2)/(2·x)
C) 3·(x - 2)/x
D) 3·(x - 2)/(2·x)

A) 8/x²
B) 4/x²
C) 4·x⁸/9
D) 4·x²/9