Answer:
-49n^3 -n²+92n+42
Explanation:
(7n²-8n-6)(-6n-7)
-42n^3-49n²+48n²+56n+36n+42
7n² + 48n + 42
Combine like terms, -8n x -6n= 48n
-6 x -7= 42
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