<span>5(3x^3)^3-2(3x^3)
=</span><span>5(3^3 x^9) - 6x^3
= 135x^9 - 6x^3
= 3x^3 (45x^6 - 2)</span>
A negative times a negative is a positive. I am not sure if that's the question, but hopefully that helps if it was.
The plotted point will be reflected across the y-axis.
