Решиуравнение

1. \(x^2+5x+4 - 5\sqrt{x^2+5x+28=0;}x\_1=\) [ ] \(x\_2=\) [ ]

2. \(4x^2 - 6x+7+\sqrt{4x^2 - 6x+5}=14; x\_1=\) [ ] \(x\_2=\) [ ]

3. \(x^2 - x+\sqrt{x^2 - x - 2}=8;\) \(x\_1=\) [ ] \(x\_2=\) [ ]

4. \(x^2+16 - 3\sqrt{x^2 - 5x+20}=5x\) \(x\_1=\) [ ] \(x\_2=\) [ ]