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Select all the expressions that are equivalent to 2(x+3).

(Select all that apply.)
(x+3) . 2
2 . x+3
2x+5
2x+6
2x+3 . 2

Select all the expressions that are equivalent to 2(x+3). (Select all that apply.) (x-example-1

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Answer:

The correct answers are (x+3) . 2 and 2x+6.

In the first expression, (x+3) . 2, the parentheses indicate that x+3 should be treated as a single term and multiplied by 2. This is equivalent to 2(x+3).

In the second expression, 2x+6, the 2 is multiplied by x and the 3 from x+3, giving 2x+6, which is also equivalent to 2(x+3).

The other expressions are not equivalent because they do not properly distribute the multiplication. For example, in 2 . x+3, the 2 is only being multiplied by x, not x+3, and in 2x+5, the 2 is only being multiplied by x and not 3.

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