[tex]2n \times (2n - 1 + 2n - 3) = \\ 4 {n}^{2} - 2n + 4 {n}^{2} - 6n = \\ 8 {n}^{2} - 8n = \\ 8n(n - 1)[/tex]
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
[tex]2n \times (2n - 1 + 2n - 3) = \\ 4 {n}^{2} - 2n + 4 {n}^{2} - 6n = \\ 8 {n}^{2} - 8n = \\ 8n(n - 1)[/tex]