{\displaystyle \color {Blue}{x^{2}}+\color {Orange}{2x}-\color {LimeGreen}{1}} en.wikipedia.org Visit source
{\displaystyle \color {Blue}x^{2}\color {Black}+\color {Orange}2x\color {Black}-\color {LimeGreen}1} en.wikipedia.org Visit source
{\displaystyle {\color {Blue}x^{2}}+{\color {Orange}2x}-{\color {LimeGreen}1}} en.wikipedia.org Visit source
{\displaystyle {\frac {-b\color {Green}\pm {\sqrt {b^{2}\color {Blue}-4{\color {Red}a}c}}}{2a}}=x} en.wikipedia.org Visit source
{\displaystyle x={\frac {{\color {Blue}-b}\pm {\sqrt {\color {Red}b^{2}-4ac}}}{\color {Green}2a}}} en.wikipedia.org Visit source