" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
x(x+1)+2x(x-1)
------------------- = 3
(x-1)(x+1)
x²+x+2x²-2x=3(x²-1)
3x²-x=3x²-1
3x²-3x²=x-1
1=x
Rpta : 1