Simplify 13n^2+11n-2n^4+(-13n^2-3n-6n^4)

$13 n^{2} + 11 n - 2 n^{4} + (- 13 n^{2} - 3 n - 6 n^{4})$

Remove parentheses.

$13 n^{2} + 11 n - 2 n^{4} - 13 n^{2} - 3 n - 6 n^{4}$

Combine the opposite terms in $13 n^{2} + 11 n - 2 n^{4} - 13 n^{2} - 3 n - 6 n^{4}$ .

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Subtract $13 n^{2}$ from $13 n^{2}$ .

$11 n - 2 n^{4} + 0 - 3 n - 6 n^{4}$

Add $11 n - 2 n^{4}$ and $0$ .

$11 n - 2 n^{4} - 3 n - 6 n^{4}$

Subtract $3 n$ from $11 n$ .

$- 2 n^{4} + 8 n - 6 n^{4}$

Subtract $6 n^{4}$ from $- 2 n^{4}$ .

$- 8 n^{4} + 8 n$

Simplify 13n^2+11n-2n^4+(-13n^2-3n-6n^4)