SOLUTION: CAN SOMEONE PLEASE HELP ME WITH THIS PROBLEM: Perform the indicated operations. (9x^4 + 3xy - y^3) - (x^4 + 7xy + 3y^3)

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: CAN SOMEONE PLEASE HELP ME WITH THIS PROBLEM: Perform the indicated operations. (9x^4 + 3xy - y^3) - (x^4 + 7xy + 3y^3)      Log On


   

Question 161377: CAN SOMEONE PLEASE HELP ME WITH THIS PROBLEM:
Perform the indicated operations.
(9x^4 + 3xy - y^3) - (x^4 + 7xy + 3y^3)
Answer by KnightOwlTutor(293) About Me  (Show Source):
You can put this solution on YOUR website!
(9x^4 + 3xy - y^3) - (x^4 + 7xy + 3y^3)
Use the distributive property to multiply the - sign to all the terms following the -sign
-x^4-7xy-3y^3
Then combine like terms and add to simplify
(9-1)x^4+(3-7)xy+(-1-3)y^3
8x^4-4xy-4y^3