SOLUTION: use the given zero to find the remaining zeros of the function h(x)=3x^4+8x^3+45x^2+128x-48; zero:-4i the remaining zeros of "h" are

Question 614167: use the given zero to find the remaining zeros of the function
h(x)=3x^4+8x^3+45x^2+128x-48; zero:-4i
the remaining zeros of "h" are
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!

 

Hi, 

use the given zero to find the remaining zeros of the function

h(x)=3x^4+8x^3+45x^2+128x-48; zero:-4i

Note: (x-4i)(x+4i) = (x^2 + 16)



3x^2 + 8x-3

factoring:

(3x-1)(x+3)= 0

  x = 1/3, -3     ||the remaining zeros 

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