jameschellapa20 jameschellapa20
  • 13-02-2020
  • Mathematics
contestada

One number is 2 more than another. The difference between their squares is 20. What are the numbers?

Respuesta :

cazeraus2000
cazeraus2000 cazeraus2000
  • 13-02-2020

Answer:

let x=one number =

x-2= another number

x²- (x-2)²=20

x²-x²-4x+4=20

-4x=20-4

-4x=16

x=16/-4

x=-4

one number is -4

x-2

-4-2

=-6

the another number is -6

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