2х^2+х-1 = 2х^2+2х-x-1 = 2x*(x+1)-(x+1) = (x+1)(2x-1)
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
2х^2+х-1 = 2х^2+2х-x-1 = 2x*(x+1)-(x+1) = (x+1)(2x-1)