Write the polynomial in simplest form with roots 4, 5i and -5i(multiply it out so no parentheses remain

(x-4)(x+5i)(x-5i)(NOT SURE ABOUT THIS ONE)
(x-4)(x^2-25i^22)
(x-4)(x^2+25)
x^3+25x-4x^2-100
x^3-4x^2+25x-100
Is this correct

1 answer

that is correct