tap hop cac so nguyen x thoa man 15-/x-2\=12 la
so phan tu cua tap hop cac so nguyen x thoa man:15-lx-2l bang 12
tap hop cac so nguyen x thoa man -3 x |2x - 3 |= -12
tap hop cac so nguyen x thoa man |x+2| = 10
tap hop cac so nguyen x thoa man |x+2|=10
Tap hop cac so nguyen x thoa man /+2/ = 10 la
tap hop cac so nguyen x thoa man /(x-23)(x+12)/=0
nhap theo thu tu tang dan
tap hop tat ca cac so nguyen x thoa man ( 2- x ).(x+7) = 0
tap hop cac so nguyen x thoa man(|x -2013|+2014)(x^2+5)(9-x^2)