Simplify the complex rational expression. 9 9 (x + h) 2 XI h Select the correct choice below and fill in any answer box(es) within your choice. as needed.) (Simplify your answer. Use integers or fractions for any numbers in the expression. Use a comma to separate answers g 9 O A. ( x + h ) X Z O B. (x + h) X h h# h X # and no numbers must be excluded for h. 9 9 9 O C. (x + h) X ( x + h )- 2 X h and no numbers OD. h no numbers must be must be excluded for x. excluded