Which of the following is equivalent to the given expression?

Question

Accepted Answer

Choice C is correct. Distributing the negative sign to the terms in the second parentheses yields . This expression can be rewritten as . Combining like terms results in . Choice A is incorrect and may result from not distributing the negative sign to the 7. Choice B is incorrect and may result from adding to instead of subtracting . Choice D is incorrect and may result from adding the product of and x to the product of 3 and 7.

Question which-