|(x-23)(x+12)|=0
=>(x-23)(x+12)=0
=>x-23=0 hoặc x+12=0
x=0+23 x=0-12
x=23 x=-12
=>xE{-12;23}
|(x-23)(x+12)|=0
=>(x-23)(x+12)=0
=>x-23=0 hoặc x+12=0
x=0+23 x=0-12
x=23 x=-12
=>xE{-12;23}
tap hop cac so nguyen x thoa man |7-x|=|x+3| la {...}.(neu tap hop co nhieu phan tu,nhap theo thu tu tang dan, cach nhau boi dau ";")
tap hop ccac so nguyen x thoa man (| x - 2013 | + 2014 ( x mu 2 +5 ) ( 9 - x mu 2 = 0 la S = (...) Nhap cac phan tu theo thu tu tang dan , ngan cach nhau boi dau ;
tap hop cac so nguyen x+2=10
nhap cac gia tri theo thu tu tang dan ngan cach boi dau ";"\
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 15-|x-2|=12
tap hop cac so nguyen x thoa man -3 x |2x - 3 |= -12
tap hop cac so nguyen x thoa man 15-/x-2\=12 la
tap hop cac so nguyen duong nho hon 8 la (...) nhap cac gia tri theo thu tu tang dan ,ngan cach boi dau ;
Tap hop cac gia tri nguyen x thoa man (x^2+4x+13):(x+4) co so phan tu la