Помогите 1/11 х^2 = 9 1/11

[latex] \frac{1}{11}x^2=9 \frac{1}{11} [/latex] [latex]x^2=9 \frac{1}{11}: \frac{1}{11}[/latex] [latex]x^2= \frac{100}{11}: \frac{1}{11}[/latex] [latex]x^2= \frac{100}{11}* \frac{11}{1} [/latex] [latex]x^2=100[/latex] [latex]/x/= \sqrt{100} [/latex] [latex]x=-10[/latex] [latex]x=10[/latex] [latex]Otvet:-10;10.[/latex]