Answer:
21
Step-by-step explanation:
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Retire zero la bour li dan trou fess to pu ggnr bon
First remove the parenthes as there is a negtive outside the second parentheses the signs of the terms inside change.
= 2n^4 - 8 - 3n - 4n^2 - 7n - 4
Now simplify like terms
= 2n^4 - 4n^2 - 10n - 12
= 2(n^4 - 2n^2 - 5n - 6)
Answer: 97.0
Step-by-step explanation:
