Simplify the difference.
open parentheses a squared minus two a minus three over a squared minus nine a plus eighteen closed parentheses minus a squared minus five a minus six over a squared plus a plus eight
(1 point)
Responses
twenty-one a minus twenty-eight over open parentheses a minus six closed parentheses open parentheses a plus eight closed parentheses
Image with alt text: twenty-one a minus twenty-eight over open parentheses a minus six closed parentheses open parentheses a plus eight closed parentheses
two a squared minus twenty-eight over open parentheses a minus six closed parentheses open parentheses a plus eight closed parentheses
Image with alt text: two a squared minus twenty-eight over open parentheses a minus six closed parentheses open parentheses a plus eight closed parentheses
negative three a plus forty-four over open parentheses a minus six closed parentheses open parentheses a plus eight closed parentheses
Image with alt text: negative three a plus forty-four over open parentheses a minus six closed parentheses open parentheses a plus eight closed parentheses
two a squared plus eighteen plus forty-four over two a squared plus forty-four