Practice problem
Which of the following expressions is not equivalent to 3x3−6x2−9x3x^3 - 6x^2 - 9x3x3−6x2−9x?
3x(x2−2x−3)3x(x^2 - 2x - 3)3x(x2−2x−3)
2x(x2−3x−6)2x(x^2 - 3x - 6)2x(x2−3x−6)
3x(x−3)(x+1)3x(x - 3)(x + 1)3x(x−3)(x+1)
(3x2−9x)(x+1)(3x^2 - 9x)(x + 1)(3x2−9x)(x+1)
Type a concept, like “slope” or “photosynthesis”.