alkhalidisara alkhalidisara

04-05-2018
Mathematics

contestada

Evaluate the polynomial when x=4 y=-4
x^2-3y^2+2xy

Respuesta :

04-05-2018

[tex]x^2-3y^2+2xy\\\\for\ x=4\ and\ y=-4\\\\substitute\ the\ values\ of\ x\ and\ y:\\\\4^2-3\cdot(-4)^2+2\cdot4\cdot(-4)=16-3\cdpt16-32=16-48-32=-64[/tex]

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