Ok i type in all this stuff(adsbygoogle = window.adsbygoogle || []).push({});

<< Graphics`ImplicitPlot`

f[x_, y_] = 5 - 10 x*y - 4 x\^2 + 3 y - y\^4

fx[x_, y_] = D[f[x, y], x]

fy[x_, y_] = D[f[x, y], y]

p1 = ImplicitPlot[fx[x, y] == 0, {x, -4, 4}, {y, -4, 4}, PlotStyle -> RGBColor[1, 0, 0], PlotPoints -> 100]

p2 = ImplicitPlot[fy[x, y] == 0, {x, -4, 4}, {y, -4, 4}, PlotStyle -> RGBColor[0, 0, 1]]

Show[p1, p2]

And when i run it... i get a whole lot of trash. Hundreds of lines of just numbers. What i think the problem might be is that i used Mathematica 4.# at my university and emailed it to myself where i have 5.0. Does anyone know why i got all this garbage and the 2 graphs instead of just hte graphs?

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# Mathematica 5.0 problem

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