SOLUTION: find the complex zeros of the polynomial function. write f in factored form x^4+10x^3-2x^2+90x-99

Algebra ->  Quadratic Equations and Parabolas -> SOLUTION: find the complex zeros of the polynomial function. write f in factored form x^4+10x^3-2x^2+90x-99      Log On


   

Question 636837: find the complex zeros of the polynomial function. write f in factored form
x^4+10x^3-2x^2+90x-99
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

x^4+10x^3-2x^2+90x-99

Recognizing the x = 1 and x = -11 are zeroes

Consecutively Applying Synthetic Division yields

  x^2 + 9 =0

  x^2 = -9

  x = ± 3i