Which expression is equivalent to 11 x 3 - 5 x 3 ?

Question

Accepted Answer

Choice B is correct. The given expression can be rewritten as 11 x 3 + - 5 x 3 . Since the two terms of this expression are both constant multiples of x 3 , they are like terms and can, therefore, be combined through addition. Adding like terms in the expression 11 x 3 + - 5 x 3 yields 6 x 3 . Choice A is incorrect. This is equivalent to 11 x 3 + 5 x 3 , not 11 x 3 - 5 x 3 . Choice C is incorrect. This is equivalent to 11 x 6 - 5 x 6 , not 11 x 3 - 5 x 3 . Choice D is incorrect. This is equivalent to 11 x 6 + 5 x 6 , not 11 x 3 - 5 x 3 .

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