b-2 - b+2 - 16 =
b+2 b-2 b2-4
=b2-2b+2b-4-b2+2b-2b+4-16
b2-4
= - 16
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
b-2 - b+2 - 16 =
b+2 b-2 b2-4
=b2-2b+2b-4-b2+2b-2b+4-16
b2-4
= - 16
b2-4