Respuesta :

mhanifa

Answer:

2 & 8

-4 & -4

Step-by-step explanation:

x and y are the numbers, as per question:

x= 4+2y and xy= 16

  • y(4+2y)= 16
  • 2y²+4y=16
  • y²+2y - 8= 0
  • y²+2y+1 =9
  • (y+1)²=9
  • y+1=3 ⇒ y= 2 ⇒ x= 4+2*2= 8
  • y+1= -3 ⇒ y= -4 ⇒ x= 4+2*(-4)= -4

Otras preguntas