Question 154991
6x² - 4xy + 2xy 
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Difficulties:
1st: Normally, you would be asked to graph an equation.
You have not posted an equation.
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2nd: Normally, a three term expression would look like ax^2 + bx + c,
which graphs as a parabola.  Your posting has "xy" terms and there
is no way to resolve how y is a function of x.
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I would try to graph your three term expression but I cannot
because of the difficulties listed.
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Cheers,
Stan H.