A
B
C
D
Explanation
Correct answer: C.
Choice C is correct. Since is a common factor of each term in the given expression, the given expression can be rewritten as .
Desmos solution:
Note: Test the answer choices with a list of x-values; the one that prints the same outputs as the original expression is the equivalent form.
Enter in Desmos:
Reviewed and rewritten by CookSAT
Why the other choices are wrong
Choice A
Choice A is incorrect. This expression is equivalent to .
Choice B
Choice B is incorrect. This expression is equivalent to .
Choice D
Choice D is incorrect. This expression is equivalent to .