sofiya1
sofiya1
23-10-2016
Mathematics
contestada
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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