Ответ:
3m-7n)²-9m(m-5n)=9m²-42mn+49n²-9m²+45mn=49n²+3mn
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
Ответ:
3m-7n)²-9m(m-5n)=9m²-42mn+49n²-9m²+45mn=49n²+3mn