Der Faktor $\text{ –}6\backslash \; –6\; \backslash$ wurde ausgeklammert.

Vervollständige.

$-6x^2+12xy-18=-6\cdot ()\backslash \; -6x^2+12xy-18=-6\backslash cdot(\backslash hspace\{25mm\})$

${\displaystyle \frac{-6{\mathrm{x}}^2}{-6}}+{\displaystyle \frac{12\mathrm{x}\mathrm{y}}{-6}}-{\displaystyle \frac{18}{-6}}=-6\cdot ({\mathrm{x}}^2-2\mathrm{x}\mathrm{y}+3)\backslash \; \backslash mathrm\{\backslash dfrac\{-6x^2\}\{-6\}+\backslash dfrac\{12xy\}\{-6\}-\backslash dfrac\{18\}\{-6\}=-6\backslash cdot(x^2-2xy+3)\}$