Question 483084


 {{{(5n^3 - 4n) - (n+3^4 -5n^3)}}}....to solve this, you must first eliminate the parentheses, be careful with minus sign

{{{5n^3 - 4n - n -3^4 + 5n^3)}}}


{{{5n^3 + 5n^3- 4n - n -81 )}}}


{{{10n^3- 5n -81 )}}}......I hope you understand now how to get this answer