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23-10-2016
Mathematics

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18(4x-1)^2-50(2y+3)^2

Respuesta :

39565606 39565606

23-10-2016

=(72x-18)^2-(100y+150)^2
=144x-36-(200y+300)
=144x-36-200y-300
=144x-200y-336

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