Answer:
Step-by-step explanation:
1. 12x³-2x²-x+3
+ x³+0x²+x-4
___________
13x³-2x²-1
2. 2(x²-3x+2)
=2x²-6x+4
4x²+5x-4
+ 2x²-6x+4
6x²-x
3. 3(-x³+x²+5)
= -3x³+3x²+15
3x³+x²-1
+ -3x³+3x²+15
_____________
4x²+14
4. 2(x²+3x+4)
=2x²+6x+8
2x²+6x+8
+ -2x²-5x+1
____________
x+9
5. 3(x²+2x-5)
=3x²+6x-15
8x³-3x²+x-1
+ 3x²+6x-15
_______________
8x³ +7x-16
hope this helps...
Copyright © 2024 EHUB.TIPS team's - All rights reserved.
Answers & Comments
Answer:
Step-by-step explanation:
1. 12x³-2x²-x+3
+ x³+0x²+x-4
___________
13x³-2x²-1
2. 2(x²-3x+2)
=2x²-6x+4
4x²+5x-4
+ 2x²-6x+4
___________
6x²-x
3. 3(-x³+x²+5)
= -3x³+3x²+15
3x³+x²-1
+ -3x³+3x²+15
_____________
4x²+14
4. 2(x²+3x+4)
=2x²+6x+8
2x²+6x+8
+ -2x²-5x+1
____________
x+9
5. 3(x²+2x-5)
=3x²+6x-15
8x³-3x²+x-1
+ 3x²+6x-15
_______________
8x³ +7x-16
hope this helps...