Using synthetic division, what is the factored form of this polynomial? x⁴+6x³+33x²+150x+200
a. (x-2)(x-4)(x²+25)
b. (x+2)(x+4)(x-5)(x+5)
c. (x-2)(x-4)(x-5)(x-5)
d. (x+2)(x+4)(x²+25)