" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
x²-10x+21<0
aplicamos aspa para que nos resulte -10x
x -7 -7x-3x=-10x entonces
x -3
x<7 x<3 entonces 3<x<7 x=4,5,6