SOLUTION: I'm trying to put this polynomial in standard form: y-7y^3+15y^8. I started to reorder it and got 15y^8-7y^3+y. Can I subtract 7y^3 from 15y^8 and get 8y^5? That would make my solu

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: I'm trying to put this polynomial in standard form: y-7y^3+15y^8. I started to reorder it and got 15y^8-7y^3+y. Can I subtract 7y^3 from 15y^8 and get 8y^5? That would make my solu      Log On


   

Question 271377: I'm trying to put this polynomial in standard form: y-7y^3+15y^8. I started to reorder it and got 15y^8-7y^3+y. Can I subtract 7y^3 from 15y^8 and get 8y^5? That would make my solution 8y^5-y. Am I right?
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


No, no, no! A thousand times NO!

Just for the sake of argument, let's assign the value 2. By your theory:





Not in my math classroom, thank you very much.

The only thing you could possibly do with:



would be to factor out a , leaving you with:



John