We present here the answers to the exercises in simplify rational expressions.

Answer to Exercise 1

2 --------- , with x not equal to -1/2 x - 9

Answer to Exercise 2

x + 4 - -------- , with x not equal to -3 x + 2

Answer to Exercise 3

x + 1 , with x not equal to 1

Answer to Exercise 4

x(x + 2) , with x not equal to 1