3/154 matematyka z plusem
podpunkt c i d
c -2x(8-x) - 5 (x do potęgi 2+ 3x) =
d 5(3-2x) -(4x +6) * 3
-2x(8-x)-5(x²+3x)=-16x+2x²-5x²-15x=-3x²-31x
5(3-2x)-(4x+6)*3=15-10x-(12x+18)=15-10x-12x-18=-22x-3
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
-2x(8-x)-5(x²+3x)=-16x+2x²-5x²-15x=-3x²-31x
5(3-2x)-(4x+6)*3=15-10x-(12x+18)=15-10x-12x-18=-22x-3