Respuesta:
a²-1=(a+1)(a-1)
Explicación paso a paso:
(a+3)(a+1) -4 (a+1) = (a+1)[(a+3) -4]=(a+1)(a-1)=a² - 1
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
Verified answer
Respuesta:
a²-1=(a+1)(a-1)
Explicación paso a paso:
(a+3)(a+1) -4 (a+1) = (a+1)[(a+3) -4]=(a+1)(a-1)=a² - 1