Answer:
1.24x²+2x
2.13ab+13b+2a-7
3.a
4.-3p³+7p²-4
5.8n-8n⁴
Explanation:
(1)Combine like terms: 24x²+2x
Answer: 24x²+2x
(2)Combine like terms: 13ab+13b+2a-7
Answer: 13ab+13b+2a-7
(3)Combine like terms: a
Answer: a
(4)Remove the parentheses: 5p²-3+2p²-3p³ Rewrite the expression: -3p³+7p²-3
Combine like terms: 7p²-3-3p³
Answer: -3p³+7p²-3
(5)Remove the parentheses: 13n²+11n-2n¹-13
n²-3n-6n4
Combine like terms: 8n-8n4 Answer: 8n-8n4
