1) -3x (2x-1) = -6х²+3х
2) (2a - b) 8b+8b² =16аb-8b²+8b²=16аb
3) 0,5a(2a - b) - 0,56(2b - a) = а²-0,5аb-1,12b+0,56а
4) (x-2)(x+3)=х²-2х+3х-6=х²+х-6
5) (2x-1)(31-x)=62х-31-2х²+х
6) 4y-(1+2y)(2y-y)=4у-2у-4у²+у-2у²=-6у²+3у
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
Verified answer
1) -3x (2x-1) = -6х²+3х
2) (2a - b) 8b+8b² =16аb-8b²+8b²=16аb
3) 0,5a(2a - b) - 0,56(2b - a) = а²-0,5аb-1,12b+0,56а
4) (x-2)(x+3)=х²-2х+3х-6=х²+х-6
5) (2x-1)(31-x)=62х-31-2х²+х
6) 4y-(1+2y)(2y-y)=4у-2у-4у²+у-2у²=-6у²+3у