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 19 x 2 - 7 ?
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 A is correct. The expression can be rewritten as , which is equivalent to .
Choice B is incorrect and may result from conceptual or calculation errors.
Choice C is incorrect and may result from conceptual or calculation errors.
Choice D is incorrect and may result from conceptual or calculation errors.
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