SOLUTION: Given polynomial and a zero, find the other factors. 3x^3+34x^2+72x-64;zero -4

Algebra ->  Polygons -> SOLUTION: Given polynomial and a zero, find the other factors. 3x^3+34x^2+72x-64;zero -4       Log On


   

Question 1113203: Given polynomial and a zero, find the other factors.
3x^3+34x^2+72x-64;zero -4
Answer by josgarithmetic(39630) About Me  (Show Source):
You can put this solution on YOUR website!
-4   |   3   34   72   -64
     |
     |      -12  -88   64  
     |___________________________
         3   22   -16   0


The quadratic factor is 3x%5E2%2B22x-16.
Roots: %28-22%2B-+sqrt%2822%5E2%2B12%2A16%29%29%2F6

%28-22%2B-+sqrt%28676%29%29%2F6

%28-22%2B-+26%29%2F6

system%28-8%2Cand%2C2%2F3%29

The factorized form being highlight_green%28%28x%2B8%29%28x-2%2F3%29%29.