(4x-6)^2 >или = (6x-4)^2

Question

(4x-6)^2 >или = (6x-4)^2

Answer 1

16x²-48x+36-36x²+48x-16≥0
-20x²+20≥0
-20(x-1)(x+1)≥0
(x-1)(x+1)≤0
x=1  x=-1
x∈[-1;1]