Relax

Respuesta :

Answer:

-2, -20

Step-by-step explanation:

x * y = 40       (1)

x + y = -22      (2)

Multiply by x on (2):

x^2 + xy = -22x

x^2 + 40 = -22x

x^2 + 22x + 40 = 0

(x + 2)(x + 20) = 0

x = -2, -20  (answer)

Otras preguntas