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 +2 / = 10
tap hop cac so nguyen x thoa man 15-|x-2|=12
tap hop cac so nguyen x thoa man 15-/x-2\=12 la
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)
tap hop cac so nguyen x thoa man -2 ^.Ix+1I=-2^6 la
tap hop cac so nguyen x thoa man |x-22| -33=-20