Объяснение:
1
3х^2у^3×(-5)Х^5у= - 15х^7y^4
2
=7а^2х-3ах-2а^2х-5ах-4+а^2х+4=
=6а^2х-8ах
3
(2х+у)(5а-b)=10ax+5ay-2bx-by
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
Объяснение:
1
3х^2у^3×(-5)Х^5у= - 15х^7y^4
2
=7а^2х-3ах-2а^2х-5ах-4+а^2х+4=
=6а^2х-8ах
3
(2х+у)(5а-b)=10ax+5ay-2bx-by