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23x^3 +2x^2 +9x Which expression is equivalent to? 23x +2x+9
Correct answer: C (parsed from the explanation — this source omits an answer key for this item)
Explanation
Choice C is correct. Since x is a common factor of each term in the given 23 2+2 +9 expression, the given expression can be rewritten as x^ x x h. 23 3+46 2+207 Choice A is incorrect. This expression is equivalent to x x x. 207 4+18 3+9 Choice B is incorrect. This expression is equivalent to x x x. 34 3+34 2+34 Choice D is incorrect. This expression is equivalent to x x x.
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