I n s e r t f o r m u l a h e r e {\displaystyle Insertformulahere}
I n s e r t f o r m u l a h e r e {\displaystyle Insertformulahere} O {\displaystyle O}
x {\displaystyle {\sqrt {x}}}
x 2 + 2 x − 1 {\displaystyle {\color {Blue}x^{2}}+{\color {YellowOrange}2x}-{\color {OliveGreen}1}}
