" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
4-x= x^2+2x+4
x^2+2x+4+x-4=0
x^2+3x=0
x(x+3)=0
x=0 atau x= -3
y=4 atau y=7
x=0, y=4 atau x= -3, y=7