" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
2x²-x²-x²-2x=0
-2x=0
x=0
CHYBA ZLE PRZEPISAŁAŚ
2x²-2x-x²=x+x²
x²-2x=x+x² /+2x
x²=3x+x² /-x²
3x=0 /:3
x=0