(a-b)(a-b-8)+16=
(a-b)(a-b)-8(a-b)+16=
(a-b)²-2(a-b)*4+4²=(a-b+4)²≥0
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
Verified answer
(a-b)(a-b-8)+16=
(a-b)(a-b)-8(a-b)+16=
(a-b)²-2(a-b)*4+4²=(a-b+4)²≥0