Tìm x:​ |4x^2​ - 2x| = 2x - 1

Tìm x:
​d, |4$x^2$​-2x| = 2x-1
e, |25​$x^2$-5x|=|5x|
f, $|3x-9{|}^{2019} = -{(2x-6)}^2$
g,${(4x-2)}^{2020} + |2x-1|\le 0$
​h, $|12x^2+8x|=3x+2$
​i, $7+2|3x+1|=3-x$