Решите систему уравнений -x^2-10x+1 меньше или равно 1-4x x^2+2x-44 меньше или равно 4x+4

[latex]\left \{ {{-x^2-10x+1 \leq 1-4x,} \atop {x^2+2x-44 \leq 4x+4;}} \right. \left \{ {{-x^2-6x \leq0,} \atop {x^2-2x-48 \leq 0;}} \right. \\ -x^2-6x=0, \\ -x(x+6)=0, \\ x_1=0, x+6=0, x_2=-6; \\ x^2-2x-48 =0, \\ D_{/4}=49, \\ x_1=-6, x_2=8; \\ \left \{ {{-(x+6)x \leq0,} \atop {(x+6)(x-8) \leq 0;}} \right. \left \{ {{(x+6)x \geq 0,} \atop {(x+6)(x-8) \leq 0;}} \right. \left \{ {{ \left [ {{x \leq -6,} \atop {x \geq 0;}} \right. } \atop {-6 \leq x \leq 8;}} \right. \\ x\in\{6\}\cup[0;8].[/latex]