c1: Tap hop cac gia tri nguyen cua x thoa man \(\left(x+\frac{5}{4}\right)\left(x-\frac{19}{7}\right)\)<0
c2: Neu x,y la cac so nguyen thoa man 2xy+4y=6 thi y co the nhan nhung gia tri nam trong tap hop nao
c3: tim 3 so x,y,z biet x+y=8,x+z=10,y+z=12
C4: Gia tri cua x thoa man (x+3)^2=25 va x^3>0 la x=
1. so x>0 thoa man \(\frac{5}{x}=\frac{x+1}{22}\)
2. GTLN cua x thoa man \(5^{\left(x-2\right)\left(x+3\right)}\)
3. Gia tri x<0 thoa man /\(x^2+50\)/=/\(-2x^2\)-1/
4. Gia tri nguyen cua x thoa man \(\left(3x-4\right)^5\)=\(^{\left(3x-4\right)^7}\)la x=
5. So gia tri cua x thoa man /x-2014/+/x-2015/=0
6. Gia tri cua x de bieu thuc A=\(\frac{x-3+5}{3-x+2}\)dat gia tri lon nhat la x=
hai so duong x,y thoa man x.y=20 va x/4=y/5 co gia tri lan luot la
cach lam nha cac ban
tap gia tri x thoa man : x^6=9x^4 la S= {........}
gia tri cua x<0 thoa man -x-4=6 la
tap hop cac gia tri nguyen cua x thoa man (x^2+4x+13) chia het cho x+4 co so phan tu la
so cac gia tri cua x thoa man |x-5|/|x-3|=|x-1|/|x-3|
co bao nhieu gia tri x nguyen thoa man \(\frac{\sqrt{x}+1}{\sqrt{x}-3}\) nguyen
gia tri cua x>0 thoa man |x^2+1|=5 la x:............