(2х+3)(3х-7) = х(6х-3)-17
6х²+9х-14х-21 = 6х²-3х-17
6х²-6х²+9х-14х+3х = -17+21
-2х = 4
х = -2
Ответ: -2
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
(2х+3)(3х-7) = х(6х-3)-17
6х²+9х-14х-21 = 6х²-3х-17
6х²-6х²+9х-14х+3х = -17+21
-2х = 4
х = -2
Ответ: -2