oblicz wartości wyrażenia dla a=-3
a.2a-3a*=
b 6a(a+1)-9(a-5)+8a*=
a.2a-3a=2*(-3)-3*(-3)=-6-(-9)=-6+9=3
b 6a(a+1)-9(a-5)+8a=6a^2+6a-9a-45=6a^2-3a-45=6*(-3)^2-3*(-3)-45=6*9-9-45=54-9-45=0
2*-3-3*-3=-6-(-9)=3
6*-3(-2)-9(-8)+-24=-18+(-7)+16=27
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
a.2a-3a=2*(-3)-3*(-3)=-6-(-9)=-6+9=3
b 6a(a+1)-9(a-5)+8a=6a^2+6a-9a-45=6a^2-3a-45=6*(-3)^2-3*(-3)-45=6*9-9-45=54-9-45=0
2*-3-3*-3=-6-(-9)=3
6*-3(-2)-9(-8)+-24=-18+(-7)+16=27