" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
x^2-4x+y^2-6y-12=0
(x^2-4x+__)+(y^2-6y+__)=12
(x^2-4x+4)+(y^2-6y+9)=12+4+9
(x-2)^2+(y-3)^2=25
centro=(2,3) y radio=5
saludos