Решите уравнения
1) ( х - 7 )^2 - 25 = 0
2) ( x + 3 )^2 - 16 = 0
3) ( 2x - 1 )^2 - 4 = 0
4) ( 3x + 4 )^2 - 49 = 0
5) ( x - 1 )^2 - 3 = 0