Someone please do this problem for me.

Given:

To find:

The LCD of the fractions.

Solution:

LCD means least common denominator.

Let us find the least common multiplier for the denominator.

The denominators are .

Factor :

Take a common in first 2 terms and -6 common in next two terms.

Take out common factor (a - 1).

------------- (1)

Factor :

Using identity:

 ------------- (1)

From (1) and (2),

LCM of

Therefore LCD is (a - 1)(a - 6)(a + 6).

where r the answers

step-by-step explanation: