Question which-
2.4 Equivalent Expressions - Simplifying polynomials
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Which expression is equivalent to ?
A.
B.
C.
D.
Which expression is equivalent to 9 x 3 + 5 x + 7 + 6 x
Medium-difficulty · SAT Math · Equivalent Expressions — Simplifying polynomials. Read the question above, select your answer, and check the full explanation below to understand exactly why the correct choice works.
Answer explanation
Choice D is correct. The given expression can be rewritten as . Combining like terms in this expression yields .
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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