Answer is in the photo. I can't attach it here, but I uploaded it to a file hosting. link below! Good Luck!
tinyurl.com/wtjfavyw
-2x^3 = 0
solving for x you divide both sides by -2
x^3 = 0
Now take the cube root of each side
x = cube root of zero
x = 0
It has 1 root.
The root is zero
The correct answer is going to be D.
It is the difference of 2 squares as its of the form a^2 - b^2
A is the correct answer.