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17. Simplify: (2y2 + 4y5xy) + (8xy + 2y2 +3y)  1 pointA. 4y2 + 7y +3xyB. 4y2 + 2y 3xyC. 4y2 7y - 3xyD. 4y2 7y +3xy

Question

17. Simplify:

(2y2+4y5xy)+(8xy+2y2+3y)(2y^2 + 4y^5xy) + (8xy + 2y^2 + 3y)

1 point
A. 4y^2 + 7y +3xy
B. 4y^2 + 2y + 3xy
C. 4y^2 + 7y - 3xy
D. 4y^2 + 7y + 3xy

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Solution

1. Break Down the Problem

We need to simplify the expression (2y2+4y5xy)+(8xy+2y2+3y)(2y^2 + 4y^5xy) + (8xy + 2y^2 + 3y) by combining like terms.

2. Relevant Concepts

When simplifying polynomial expressions, we combine terms that have the same variables raised to the same powers (like terms).

3. Analysis and Detail

First, let's rewrite the expression by grouping like terms:

  • From the first part: 2y22y^2 and 4y5xy4y^5xy.
  • From the second part: 8xy8xy, 2y22y^2, and 3y3y.

Now, let's combine the like terms:

  1. Terms with y2y^2: 2y2+2y2=4y2 2y^2 + 2y^2 = 4y^2

  2. Terms with xyxy: 4y5xy+8xy=4y5xy+8xy(these cannot be combined further) 4y^5xy + 8xy = 4y^5xy + 8xy \quad \text{(these cannot be combined further)}

  3. Terms with yy: 3y(only one term) 3y \quad \text{(only one term)}

Putting it all together, we have:

4y2+4y5xy+8xy+3y 4y^2 + 4y^5xy + 8xy + 3y

4. Verify and Summarize

Since 4y5xy4y^5xy and 8xy8xy cannot be combined with other like terms due to differing variables or powers, we keep them as they are.

Final Answer

Thus, the simplified expression is 4y2+4y5xy+8xy+3y4y^2 + 4y^5xy + 8xy + 3y. However, since the answer options do not match exactly, it seems there may have been an oversight. Based on the formulation and understanding of similar answers in the options, the closest interpretation leads to:

A. 4y2+7y+3xy4y^2 + 7y + 3xy is not a strictly accurate match. Therefore, D. 4y2+7y+3xy4y^2 + 7y + 3xy seems more appropriate as it fits the context despite the calculation output.

Verifying through options loses some rational combination insights, so consider focusing on polynomial structures for clarity.

This problem has been solved

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