SOLUTION: They ask me to solve this (5n^3 - 4n) - (n+3^4 - 5 n^3), I don't understand what they want. When I ask online I get this answer 10n^3-5n-81

Algebra ->  Expressions-with-variables -> SOLUTION: They ask me to solve this (5n^3 - 4n) - (n+3^4 - 5 n^3), I don't understand what they want. When I ask online I get this answer 10n^3-5n-81      Log On


   

Question 483084: They ask me to solve this
(5n^3 - 4n) - (n+3^4 - 5 n^3), I don't understand what they want. When I ask online I get this answer
10n^3-5n-81
Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!

%285n%5E3+-+4n%29+-+%28n%2B3%5E4+-5n%5E3%29....to solve this, you must first eliminate the parentheses, be careful with minus sign
5n%5E3+-+4n+-+n+-3%5E4+%2B+5n%5E3%29

5n%5E3+%2B+5n%5E3-+4n+-+n+-81+%29

10n%5E3-+5n+-81+%29......I hope you understand now how to get this answer