Question

Carla is correcting her younger brother Danny's homework before he turns it in. Help her find the mistake he made simplifying the rational expression.







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A. Danny didn't make any mistakes; the answer is correct.
B. Danny can simplify the answer even further, by dividing the 2 into the 4.
C. Danny should have factored out the negative from the denominator.
D. Danny should not have cancelled the terms; he should have factored the trinomials instead.



Carla is correcting her younger brother Danny's homework before he turns it in. Help her find the mista