ccun908 ccun908

30-09-2021
Mathematics

contestada

a) (x + y + 4).(x + y –4)

Respuesta :

jackpaulm104 jackpaulm104

30-09-2021

Answer:

if you want to factorise it answer will be : (x+y)^2 - 4^2

and if you have to expand it anwer will be x^2 + y^2 + 2xy -16

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