Find a degree-3 polynomial with roots −1,0,2-1, 0, 2−1,0,2 and leading coefficient 3.
3x3−3x2−6x3x^3 - 3x^2 - 6x3x3−3x2−6x
3x3+3x2−6x3x^3 + 3x^2 - 6x3x3+3x2−6x
3x(x+1)(x−2)3x(x+1)(x-2)3x(x+1)(x−2)
x3−x2−2xx^3 - x^2 - 2xx3−x2−2x