(x-5)(x+1) > (больше или равно) (x+5)(x-1)

(x-5)(x+1)(x+5)(x-1)
\\ x^{2} - x^{2} -5x-5x+x-x \geq 0 \\ -10x \geq 0 \\ x \leq 0 " alt=" x^{2} -5x+x-5 \geq x^{2} -x+5x-5" /> \\ x^{2} - x^{2} -5x-5x+x-x \geq 0 \\ -10x \geq 0 \\ x \leq 0 " />