" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
5,5x+1,5=1,5x
5,5x-1,5x=-1,5
4x=-1,5|:4
x=-3/8
b) (x-2)(x+2)=xkwadrat+6x+9-1
xkwadrat-4=xkwadrat+6x+8
xkwadrat-xkwadrat-6x=8+4
-6x=12|:(-6)
x=-2
c)-3(xkwadrat-4x+4)+9xkwadrat -1/4=6(xkwadrat+4x+4)-1/4
-3xkwadrat+12x-12+9xkwadrat-1/4=6xkwadrat+24x+24-1/4
6xkwadrat+12x-6xkwadrat-24x=24-1/4+12+1/4
-12x=36|:(-12)
x=-3