[latex] x^2=4 [/latex]Indeks
[latex] x_1=-2 [/latex] dan [latex] x_2=2 [/latex] [latex] x_1=-2[/latex] dan [latex] x_2=2 [/latex]Alfabet Romawi
[latex] \alpha, \beta, \gamma [/latex] [latex] \alpha, \beta, \gamma [/latex]