Bài 1: Tìm x:
1. \(\left(2x-3\right)^2=9\)
2. \(\left(x-1\right)^2=\dfrac{9}{16}\)
3. \(\left(x+5\right)^3=-64\)
4. \(\left(2x+3\right)^2=25\)
5. \(x^2+1=82\)
6. \(x^2+\dfrac{7}{4}=\dfrac{23}{4}\)
7. \(\left(2x-3\right).\left(\dfrac{3}{4}x+1\right)=0\)
8. \(\left(5x-1\right).\left(2x-\dfrac{1}{3}\right)=0\)