х²+3х-7х-21+х²+5х-х-5+26=0
х²+3х-7х+х²-х+5х=-26+5+21
2х²=0
х²=0
х=0
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
х²+3х-7х-21+х²+5х-х-5+26=0
х²+3х-7х+х²-х+5х=-26+5+21
2х²=0
х²=0
х=0