superprismatic Posted July 20, 2010 Report Share Posted July 20, 2010 Find positive integers X, Y, and Z such that XY-XZ+YZ=1, X2-Y2+Z=23, and XY2+ZX2-2XYZ=10. Quote Link to comment Share on other sites More sharing options...
0 Guest Posted July 20, 2010 Report Share Posted July 20, 2010 X=5, Y=3, Z=7 Quote Link to comment Share on other sites More sharing options...
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superprismatic
Find positive integers X, Y, and Z such that
XY-XZ+YZ=1, X2-Y2+Z=23, and XY2+ZX2-2XYZ=10.
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