Factor polynomial completly: 9x3(cubeb)-18x2(squared)-x+2?

Answer 1

Here we go (we're going to reorder the terms so that the factoring is more obvious):

9x^3 - 18x^2 - x + 2 = 9x^3 - x - 18x^2 + 2
=x(9x^2 - 1) - 2(9x^2 - 1)
=(x - 2)(9x^2 - 1)