CPM Homework Help : PC Problem 2-77

Step 1 (a):

$\frac{(x+2)(x+1)}{(x-1)(x+1)}+\frac{(x)(x-1)}{(x+1)(x-1)}$

Step 2 (a):

$\frac{(x^2+x+2x+2)+(x^2-x)}{x^2+x-x-1}$

Step 3 (a):

$\frac{2x^2+2x+2}{x^2-1}$

Hint (b):

Review the Math Notes box and follow the example.

Hint (c):

Review the Math Notes box and follow the example.