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15-03-2020
Mathematics

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Simplify the algebraic expression: 15xy - 13 + 4x + 3y + xy + 21

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15-03-2020

Answer:

16xy + 4x + 3y + 8

Step-by-step explanation:

15xy - 13 + 4x + 3y + xy + 21

In order to simplify this expression we have to combine like terms

15xy + xy = 16xy

-13 + 21 = 8

Now we can rewrite the expression using the simplified terms

16xy + 4x + 3y + 8

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