Question

Помогите решить неравенство

Answer 1

$(4x-6)^2 \geq (6x-4)^2\\(4x-6)^2 - (6x-4)^2 \geq 0\\(4x-6+6x-4)(4x-6-6x+4)\geq 0\\(10x-10)(-2x-2)\geq 0\\-20(x-1)(x+1)\geq 0\\(x-1)(x+1)\leq 0\\\\-1 \leq x\leq 1$