SOLUTION: Determine which binomial is not a factor of 4x^4-21x^3-46x^2+219x+180. The options are x+4, x+3, x-5, and 4x+3

Algebra ->  Square-cubic-other-roots -> SOLUTION: Determine which binomial is not a factor of 4x^4-21x^3-46x^2+219x+180. The options are x+4, x+3, x-5, and 4x+3      Log On


   



Question 1010000: Determine which binomial is not a factor of 4x^4-21x^3-46x^2+219x+180. The options are x+4, x+3, x-5, and 4x+3
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
It's (x+4)
Synthetic division
-4 ;;; 4;;-21;;-46;;219;;180
====4;;-37+102;;-189;not zero
Alternatively, can do f(-4)=1024+1344-736-876+180, and that does not equal zero.
graph%28300%2C200%2C-10%2C10%2C-50%2C400%2C4x%5E4-21x%5E3-46x%5E2%2B219x%2B180%29