" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
x²-4x+4 = 9
x²-4x+4-9=0
x²-4x-5 = 0
(x-5)(x+1)
x=5
x= -1
jawabannya E