Doprowadź wyrażenia do jak najprostszej postaci:
Poproszę o rozwiązania, a nie same wyniki
1)...=9m²-(-1)*[7m²-2m-m²+3m]=
= 9m²+6m²+m=
=15m²+m
2)...=3-(8x-18+12x²-27x)+10x-2x²=
= 3-(-19x+12x²-18)+10x-2x²=
=3+19x-12x²+18+10x-2x²=
=-14x²+29x+21
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
1)...=9m²-(-1)*[7m²-2m-m²+3m]=
= 9m²+6m²+m=
=15m²+m
2)...=3-(8x-18+12x²-27x)+10x-2x²=
= 3-(-19x+12x²-18)+10x-2x²=
=3+19x-12x²+18+10x-2x²=
=-14x²+29x+21