Explicación paso a paso:
(x+1)(x-1)=
(x^2)+x(-1)+1x+1(-1)=
(x^2)-x+x-1=
(x^2)-1
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Explicación paso a paso:
(x+1)(x-1)=
(x^2)+x(-1)+1x+1(-1)=
(x^2)-x+x-1=
(x^2)-1