Question

Write a polynomial function of minimum degree with real coefficients whose zeros include those listed. Write the polynomial in standard form.

2, -4, and 1 + 3i

Answer 1

(x - 2) (x + 2) (x - 1 - 3i) (x - 1 + 3i)

multiply them all out

Answer 2

i meant (x - 2) (x + 4) (x - 1 - 3i) (x - 1 + 3i)

Answer 3

x^4 -2x^2+36x-80?

Answer 4

Thanks...I think?