Answer:
A.
1. solution: 4+2n³ + 5n³+2
answer: 7n³+6
2. solution: -4k⁴+14+3k²-3k⁴-14k²-8
answer: -7k³-11k²+6
3. solution: -x⁴+13x⁵+6x³+6x³+5x⁵+7x⁴
answer: 18x⁵+6x⁴+12x³
4. solution: 13n²+11n-2n⁴-13n²-3n-6n⁴
answer: -8n⁴+8n
5. solution: -7x⁵+14-2x+10x⁴+7x+5x⁵
answer: -2x⁵+10x⁴-5x+14
B.
1. solution: 4n-3n³-3n³-4n
answer: -6n³
2. solution: 3a²+1-4-2a²
answer: a²-3
3. solution: 4r³+3r⁴-r⁴+5r³
answer: 2r⁴+9r³
4. solution: 5a+4-5a-3
answer: 1
5. solution: 3x⁴-3x-3x+3x⁴
answer: 6x⁴-6x
Merry Christmas kid.
Brainliest pls.
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Answers & Comments
Answer:
A.
1. solution: 4+2n³ + 5n³+2
answer: 7n³+6
2. solution: -4k⁴+14+3k²-3k⁴-14k²-8
answer: -7k³-11k²+6
3. solution: -x⁴+13x⁵+6x³+6x³+5x⁵+7x⁴
answer: 18x⁵+6x⁴+12x³
4. solution: 13n²+11n-2n⁴-13n²-3n-6n⁴
answer: -8n⁴+8n
5. solution: -7x⁵+14-2x+10x⁴+7x+5x⁵
answer: -2x⁵+10x⁴-5x+14
B.
1. solution: 4n-3n³-3n³-4n
answer: -6n³
2. solution: 3a²+1-4-2a²
answer: a²-3
3. solution: 4r³+3r⁴-r⁴+5r³
answer: 2r⁴+9r³
4. solution: 5a+4-5a-3
answer: 1
5. solution: 3x⁴-3x-3x+3x⁴
answer: 6x⁴-6x
Merry Christmas kid.
Brainliest pls.