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Combine the like terms in this expression: –3x + 2xy + 4y – xy + 2x – 11y A. 2xy + 15 B. –7xy C. –X+XY–7y D. 23X + y

1 Answer

3 votes

Answer:

The correct option is C) –x + xy – 7y.

Explanation:

Consider the provided expression.

Rearrange the expression so, that like terms comes together.

–3x + 2x + 2xy – xy + 4y – 11y

Now, add the like terms as shown below:

x(–3 + 2) + xy(2 – 1) + y(4 – 11)

Now, perform the operation inside the parentheses.

x(–1) + xy(1) + y(–7)

Open the parentheses.

–x + xy –7y

Now, compare with the provided options.

By comparison it can be concluded that the correct option is C).

Hence, the correct option is C) –x + xy – 7y.

User Yuli Hua
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