x^2=0; x= . 2x\cdot (x-1)=0; x_1= , x_2= . (x-2)^2-4=0; x_1= , x_2= . (x-7)(x+7)=0; x_1= , x_2= .
Задание

Реши уравнения

  1. \(x^2=0\) ;

    \(x=\) [ ].

  2. \(2x\cdot (x-1)=0\) ;

    \(x\_1=\) [ ], \(x\_2=\) [ ].

  3. \((x-2)^2-4=0\) ;

    \(x\_1=\) [ ], \(x\_2=\) [ ].

  4. \((x-7)(x+7)=0\) ;

    \(x\_1=\) [ ], \(x\_2=\) [ ].