Ответ:
(z+7)(7-z)+z(6+z)=
7z-z^2 +49-7z+6z+z^2 =
6z+49=6*(-5/6)+49=-5+49=44
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
Verified answer
Ответ:
(z+7)(7-z)+z(6+z)=
7z-z^2 +49-7z+6z+z^2 =
6z+49=6*(-5/6)+49=-5+49=44