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25-10-2016
Mathematics

contestada

Alguem sabe a resposta?

3 (x+y)

-3(2+8)

x (x-y)

2xy(x+y)?

Respuesta :

25-10-2016

3 (x+y)=3x+3y || -3(2+8)=-30 || x(x-y)=x2−xy || 2xy(x+y)?=2x^2y+2xy^2

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