Which of the Following Are Possible Formulas for a Fourth $x=-4$

Multiple Choice

Which of the following are possible formulas for a fourth degree polynomial with at least one zero at $x=-4$ , a double zero at $x=3$ , and long-run behavior: as $x \rightarrow \infty, y \rightarrow-\infty$ . .

A) $y=-2(x+4) (x-6) (x-3) ^{2}$
B) $y=2(x+4) (x-6) (x-3) ^{2}$
C) $y=-(x+4) ^{2}(x-3) ^{2}$
D) $y=-a(x+4) (x-6) (x-3) ^{2}$ where $a>0$