Step 1: (x+ 1)(x-1) *
1(841)
(X+ 1)(x-1)
Step 2
+ 1)(-1)
X-X.41
Step 3. (X+1)(x-1)
Step 4
(X+ 1)(x-1)
In step 1, he did not correctly factor the denominator
in step 2. he did not use the correct common denominator
in step 3. he did not distribute the negative sign when he subtracted
In step 4, he did not correctly subtract the numerator