\(\left|3-2x\right|=3x-7\)
b) \(\left|-4x\right|=-2x+11\)

Giai phương trình:
a) \(x^4+x^2+6x-8=0\)
b) x\(^3+3x^2+4x+2=0\)
c) (x\(^2-9\))\(^2=12x+1\)
d) 2\(\left|x-3\right|+\left(5x-1\right)=0\)
e) \(\left|x-1\right|=\left|3x-5\right|\)
g) \(\left||x|-1\right|=x+1\)

1. Did California become an important area because they found gold there?
-> Would ...............................
2. It's the sunset that attracts tourists to that place
-> If it ................................................
3. There was a traffic jam on the motorway so I was late for my interview
-> If there ...................................................................