Ответ:
х^2-2х*3+3^2= 6х^2-18х
х^2-6х+9-6х^2+18х=0
-5х^2+15х+9=0
5х^2-15х-9=0
Copyright © 2025 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
Ответ:
(х-3)^2+3х=6х(х-3)
х^2-2х*3+3^2= 6х^2-18х
х^2-6х+9-6х^2+18х=0
-5х^2+15х+9=0
5х^2-15х-9=0