1) х3+3х2+3х+1-4х=5+х3+3х2
3х+1-4х=5
-х+1=5
-х=5-1
-х=4
х=-4
2) 1-3у+3у2-у3+8у=7+3у2-у2
1-3у+8у=7
1+5у=7
5у=7-1
5у=6
у=6/5 или 1,2
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
1) х3+3х2+3х+1-4х=5+х3+3х2
3х+1-4х=5
-х+1=5
-х=5-1
-х=4
х=-4
2) 1-3у+3у2-у3+8у=7+3у2-у2
1-3у+8у=7
1+5у=7
5у=7-1
5у=6
у=6/5 или 1,2