( 5n 3 + n 4 - 5 ) - ( -5 - 6n 3 - 4n 4 )

( 5n 3 + n 4 - 5 ) - ( -5 - 6n 3 - 4n 4 )

Simplify the expression.

53 n

The simplified solution to this expression is 5n⁴ + 11n³

Step-by-step explanation:

(5n³ + n⁴ - 5) - (-5 - 6n³ - 4n⁴)

Distribute the negative sign to (-5 - 6n³ - 4n⁴)

5n³ + n⁴ - 5 + 5 + 6n³ + 4n⁴

Group like terms.

(4n⁴ + n⁴) + (6n³ + 5n³) + (-5 + 5)

Combine like terms.

5n⁴ + 11n³

answer for #1 is c

answer for #2 is d

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