ASAP!! Please help me. I will not accept nonsense answers, but will mark as BRAINLIEST if you answer is correctly with solutions.

Answer:
Step-by-step explanation:
Hello,
[tex]x^6-6x^3y+9y^2\\\\=(x^3)^2-2\cdot x^3\cdot 3y+(3y)^2\\\\=(x^3-3y)^2[/tex]
So the correct answer is
[tex]x^3-3y[/tex]
Do not hesitate if you have any question