Which of the following is equivalent to the expression above?
A
B
C
D
Correct answer: A
Explanation
Choice A is correct. By distributing the minus sign through the expression , the given expression can be rewritten as , which is equivalent to . Combining like terms gives , or .
Choice B is incorrect and may be the result of failing to distribute the minus sign appropriately through the second term and simplifying the expression . Choice C is incorrect and may be the result of multiplying the expressions and . Choice D is incorrect and may be the result of multiplying the expressions and .
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id cb_question_bank:cd5cd2de-5e06-4ff0-bbbf-b4918e8761fd · question b47419f4 · IBN 05487-DC
· JSON