Question

raíz cuadrada de x - 1 = 10 ​

Answer 1

Respuesta:

x = √121

$x - 1 = 10 \\ x = 10 + 1 \\ x = 11 \\ x = 11 {}^{2} \\ x = 121 \\ \sqrt{121 \:} = 11 \\ comprobamos \\ \sqrt{121} - 1 = 10 \\ 11 - 1 = 10$