Which expression is equivalent to 9 x 2 + 5 x ?

Question

Accepted Answer

Choice A is correct. Since x is a factor of each term in the given expression, the expression is equivalent to x 9 x + x 5 , or x 9 x + 5 . Choice B is incorrect. This expression is equivalent to 45 x 2 + 5 x , not 9 x 2 + 5 x . Choice C is incorrect. This expression is equivalent to 9 x 2 + 45 x , not 9 x 2 + 5 x . Choice D is incorrect. This expression is equivalent to 9 x 3 + 5 x 2 , not 9 x 2 + 5 x .

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