(3х+1)²-(3х-1)²=11х+1,2
(9х²+1+6х)-(9х²+1-6х)=11х+1.2
9х²+1+6х-9х²-1+6х=11х+1,2
12х-11х=1,2
х=1.2
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
(3х+1)²-(3х-1)²=11х+1,2
(9х²+1+6х)-(9х²+1-6х)=11х+1.2
9х²+1+6х-9х²-1+6х=11х+1,2
12х-11х=1,2
х=1.2