Question

reducir :
$m = (x + 1)^{2} + (x - 1)^{2} - 2$
​

Answer 1

Respuesta:

$m = (x + 1)^{2} + (x - 1)^{2} - 2$

${x}^{2} + 2x + 1 + {x}^{2} - 2x + 1 - 2$

${x}^{2} + {x}^{2} + 2x - 2x + 1 + 1 + - 2$

$2 {x}^{2}$