а) (3b-2)²+12b = 9b² - 12b + 4 + 12 b = 9b² + 4
б) -25х²+(5х-4)² = -25x² + 25x² - 40x + 16 = 16 - 40x
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
а) (3b-2)²+12b = 9b² - 12b + 4 + 12 b = 9b² + 4
б) -25х²+(5х-4)² = -25x² + 25x² - 40x + 16 = 16 - 40x