A
B
C
D
Explanation
Correct answer: B.
Choice B is correct. Using the associative and commutative properties of addition, the given expression can be rewritten as . Adding these like terms results in .
Desmos solution:
Enter in Desmos:
Reviewed and rewritten by CookSAT
Why the other choices are wrong
Choice A
Choice A is incorrect and may result from adding .
Choice C
Choice C is incorrect and may result from adding .
Choice D
Choice D is incorrect and may result from adding .