Which of the following is the complete list of roots for the polynomial function f(x)= (x^2-2x-15)(x^2+8x+17) –5, 3 –5, 3, –4 + i, –4 – i –5, 3, –4 + i, 4 + i –4 + i, –4 – i

The complete set of roots is 5, -3, –4 + i, –4 – i

Step-by-step explanation:

The given polynomial is

We equate to zero to get:

This implies that:

x+3=0,or x-5=0 or

x=-3,or x=5

For , we use the quadratic formula to get;

where a=1,b=8,c=17

or

The complete solution is 5, -3, –4 + i, –4 – i

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step-by-step explanation: