5x + 4y + 6pq - 2y + 3x + 4xy - 3pq - 2xy is equal to:

8x + 2y + 4xy + 3pq

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5x + 2y + 2xy + 3pq

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8x + 2y + 2xy + 3pq

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8x + 4y + 2xy + 3pq

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Solution

The correct option is C
8x + 2y + 2xy + 3pq

Like terms can be added and subtracted.

So, 5x + 3x = 8x

Similarly, 4y - 2y = 2y

4xy - 2xy = 2xy

6pq - 3pq = 3pq

5x + 4y + 6pq - 2y + 3x + 4xy - 3pq - 2xy = 8x + 2y + 2xy + 3pq

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