упростите выражение;
1) (x-3)^2+x(x+9)
2) 18a+(a-9)^2
3) (x-10)^2-x(x+80) , при x=0,97
1) (x-3)^2+x(x+9)
2) 18a+(a-9)^2
3) (x-10)^2-x(x+80) , при x=0,97
More Questions From This User See All
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
2)=18а+а^2-18а+81=а^2+81
3)=х^2-20х+100-х^2-80х=
=-100х+100=-100(х-1)=
=-100(0.97-1)=-100×(-0.03)=3