Помогите прошу! [latex] \frac{5}{2x+1}+ \frac{x}{2x-1} = \frac{14}{1-4 x^{2} } [/latex]Математика

[latex] \frac{5}{2x+1} + \frac{x}{2x-1} = \frac{14}{1-4 x^{2} } [/latex] [latex] \frac{5(2x-1)+x(2x+1)}{(2x+1)(2x-1)} = \frac{14}{1-4 x^{2} } [/latex] [latex] \frac{5(2x-1)+x(2x+1)}{4 x^{2} -1} = \frac{14}{1-4 x^{2} } [/latex] [latex] \frac{-(5(2x-1)+x(2x+1))}{1-4 x^{2} } = \frac{14}{1-4 x^{2} } [/latex] [latex]-(5(2x-1)+x(2x+1)) = 14[/latex] 10x-5+2x²+x=-14 2x²+11x+9=0 D=11²-4*2*9=121-72=49 x₁=(-11+7)/4=-1 x₂=(-11-7)/4=-18/4=-4.5