7a^2-14ab+7b^2=7(a^2-2ab+b^2)=7(a-b)^2
..................................................................................................................
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
7a^2-14ab+7b^2=7(a^2-2ab+b^2)=7(a-b)^2
..................................................................................................................