Rozwiąż nierównosci. Przykład a i c :) Zadanie w załączniku.

a) [latex] frac{x}{3} [/latex] + [latex] frac{x}{2} [/latex] [latex] geq [/latex] [latex] frac{x}{6} [/latex] [latex] frac{2x}{6} [/latex] + [latex] frac{3x}{6} [/latex] [latex] geq [/latex] [latex] frac{x}{6} [/latex] [latex] frac{5x}{6} [/latex] - [latex] frac{x}{6} [/latex] [latex] geq [/latex] 0 [latex] frac{4x}{6} [/latex] [latex] geq [/latex] 0 4x [latex] geq [/latex] 0 * 6 x [latex] geq [/latex] 0 * 4 x [latex] geq [/latex] 0 c) 3 - [latex] (2x+1)^{2} [/latex] < [latex]- x4^{2} [/latex] 3 - [latex] 4x^{2} [/latex] + 2x + 2x +1 < [latex] -x4^{2} [/latex]     [latex] -4x^{2} [/latex] + [latex] 4x^{2} [/latex] + 4x +1 < 0 4x < -4   x < -1