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Equivalent expressions SAT question
Math · Advanced Math · Easy · Answer it here, explanation included.
Which expression is equivalent to ?
ExplanationShow
Choice D is correct. In the given expression, the first two terms, and , are like terms. Combining these like terms yields , or . It follows that the expression is equivalent to .
Choice A is incorrect and may result from conceptual or calculation errors.
Choice B is incorrect and may result from conceptual or calculation errors.
Choice C is incorrect and may result from conceptual or calculation errors.
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