" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
factorizando 7*4=28 7-4=3
(x-7)(x+4)=0
x=7 o x=-4
7*7=49 7*3=21
49-21-28=0
el nº es 7
x^2 - 3x = 28
x=7
LO HICE POR TANTEO