Alternative Equation Formats

The equation on this page is available in multiple formats. Depending on your browser, some formats might not render correctly.

MathML

z (x, y) = x^{2} - x - 2 y - x y + y^{2}

z (x, y) = x^{2} - x - 2 y - x y + y^{2}

\[ z(x,y)=x^2 - x - 2 y - x y + y^2 \]