а)
б)(2х-у)*(3у-х)=3у-х
в)3х*(х-у)-(х+у)*(3х-у)=3х²-3ху+3х²у+3ху²
г)(3х-2)²=9х²-12х+4
д) 2(х-3)*(х+1)=2*1(х+1)=2х+2
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
а)
б)(2х-у)*(3у-х)=3у-х
в)3х*(х-у)-(х+у)*(3х-у)=3х²-3ху+3х²у+3ху²
г)(3х-2)²=9х²-12х+4
д) 2(х-3)*(х+1)=2*1(х+1)=2х+2