Question

( x - 5 ) ( x + 1 ) = x* + 5

Answer 1

Ответ:

${x}^{2} + x - 5x - 5 = {x}^{2} + 5$

х-5х-5=5

-4х-5=5

-4х=5+5

-4х=10

$x = - \frac{5}{2}$