" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
(x-4)(x+1)=0
x1=4 atau x2=-1 -->karna x1>x2
subsitusikan
=x1+2x2
=x1+4
=4+4
=8