Read each question. Then write the letter of the correct answer on your paper.
What is {4 x²-1 / 2 x² -5 x-3 . x² -6 x+9 / 2 x²+5 x-3 ?
(A) 1
(B) x+3
(C) x-3
(D) ( x-3 / x+3} )