Question

X²_4×+4=0 respuesta ​

Answer 1

Respuesta:

${x}^{2} - 4x + 4 = 0 \\ {x}^{2} - 4x = 0 - 4 \\ 4 {x}^{2} = - 4 \\ {x}^{2} = - 4 \div 4 \\ {x}^{2} = - 1 \\ x = \sqrt[2]{1} \\ x = 1$