A
B
C
D
Explanation
Correct answer: B.
Choice B is correct. Applying the distributive property to the given expression yields , or . Adding the like terms and results in the expression .
Desmos solution:
Note: The listed a and b values make the original expression and choice B print the same outputs.
Enter in Desmos:
Reviewed and rewritten by CookSAT
Why the other choices are wrong
Choice A
Choice A is incorrect and may result from multiplying by without multiplying by when applying the distributive property.
Choice C
Choice C is incorrect and may result from computational or conceptual errors.
Choice D
Choice D is incorrect and may result from computational or conceptual errors.