C: -5n^2 - 8n + 4
The answer to the second question is 4, 11, and 5.
Answer:
-5n² - 8n + 4
Explanation:
Given the expression
(3n²– 5n + 6) + (–8n²– 3n – 2)
Expand the bracket
3n²– 5n + 6 –8n²– 3n – 2
Collect the like terms
3n²-8n²-5n– 3n – 2+6
This gives the required result
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