Posted by Graham on .
Write the polynomial in simplest form with roots 4, 5i and 5i(multiply it out so no parentheses remain
(x4)(x+5i)(x5i)(NOT SURE ABOUT THIS ONE)
(x4)(x^225i^22)
(x4)(x^2+25)
x^3+25x4x^2100
x^34x^2+25x100
Is this correct

Algebra IIplease check 
Steve,
that is correct