Fraction Manipulation

Question

 Which is the least common denominator of (1/(x²-4)) + (1/(4x-8))

 

A) x-2

B)4(x+2)

C) (x-2)(x-2)

D) 4(x-2)(x+2)

E)4(x-2)^2(x+2)

 

 

 

THANK YOU FOR ALL THE HELP!!!!

Answer 1

Lets simplify the fraction.

 

(1 / (x + 2)(x - 2)) + (1 / (4(x - 2))

 

 

The LCD is (x + 2)*4(x - 2)

 

4(x - 2)(x + 2)

 

 

Your answer is (D).