A
B
C
D
Explanation
Correct answer: B.
Choice B is correct. Since is a common factor of each term in the given expression, the expression can be rewritten as .
Desmos solution:
Note: Use the listed values to compare the solved expression with choice B's expression; the two printed lists match.
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 C
Choice C is incorrect. This expression is equivalent to .
Choice D
Choice D is incorrect. This expression is equivalent to .