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01-04-2018
Mathematics

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find the perimeter of a triangle with sides 2x - 3y, x2 + y and 2x + y units

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Аноним Аноним

01-04-2018

Perimeter = (2x -3y) + (x² + 7) + (2x + y)
Perimeter = 2x -3y + x² + 7 + 2x + y
Perimeter = x² + 4x - 2y + 7

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Answer: x² + 4x - 2y + 7
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