" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
x²+4-4x+6x < 3x-9+x²-2
x²-4x+6x-3x-x² < -9-2-4
-x < -15 |:(-1)
x > 15
x²-4x+4+6x-3<3x-(9+3x-3x-x²)-2
x²+2x+1<3x-9+x²-2
-x<-12
x>12
x∈(12,∞)
x²- 4+4x +6x-3< 3x-9+3x-3x-x²-2
10x-7<6x-11
4x<-4 /:4
x<-1