9 + 84n + 196n²= 196n²+ 84n + 9 = (14n)²+2×14×3+3²= (14n+3)²
Формула: (а+b)²=a²+2ab+b²
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
9 + 84n + 196n²= 196n²+ 84n + 9 = (14n)²+2×14×3+3²= (14n+3)²
Формула: (а+b)²=a²+2ab+b²