SOLUTION: Show that the given value(s) of "c" are zeros of P(x), and find all other zeros of P(x). P(x)=x^3-x^2-11x+15, c=3

Algebra ->  Equations -> SOLUTION: Show that the given value(s) of "c" are zeros of P(x), and find all other zeros of P(x). P(x)=x^3-x^2-11x+15, c=3       Log On


   

Question 1125751: Show that the given value(s) of "c" are zeros of P(x), and find all other zeros of P(x).
P(x)=x^3-x^2-11x+15, c=3
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
 3   |   1   -1   -11   15
     |
     |       3     6    -15 
     |____________________________
         1    2   -5     0

Remainder when checking with synthetic division, is 0.
x-3 is a factor; c=3 is a zero.