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9x^2 +5x Which expression is equivalent to? x(9x+5)
Correct answer: A (parsed from the explanation — this source omits an answer key for this item)
Explanation
Choice A is correct. Since x is a factor of each term in the given expression, the 9 + 5 9 +5 expression is equivalent to x^ xh x^ h, or x^ x h. 45 2+5 9 2+5 Choice B is incorrect. This expression is equivalent to x x, not x x. 9 2+45 9 2+5 Choice C is incorrect. This expression is equivalent to x x, not x x. 9 3+5 2 9 2+5 Choice D is incorrect. This expression is equivalent to x x , not x x.
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