1)=2a³+9-(a³+1)=2a³+9-2a³-2=7
2)= x(x²-4)-(x³-27)=x³-4x-x³+27=-4x+27
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
1)=2a³+9-(a³+1)=2a³+9-2a³-2=7
2)= x(x²-4)-(x³-27)=x³-4x-x³+27=-4x+27