Giải...
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Giải PT:
1. \(\sqrt{2x^2-9}=x\)
2. \(\sqrt{\frac{12x+5}{3}}=2\)
3. \(\sqrt{\frac{1}{4}-2a}=3\)
4. \(\sqrt{-4x^2+25}=x\)
5. \(\sqrt{\sqrt{5}-\sqrt{3x}}=\sqrt{8+2\sqrt{15}}\)
6. \(\sqrt{\frac{-3}{2+x}}=2\)
7. \(\sqrt{3x^2-4x+3}=1-2x\)
8. \(\sqrt{\frac{-6}{1+x}}=5\)
