Practice problem
Which of the following equals x2+x−2x^2+x-2x2+x−2?
(x−2)(x−1)(x-2)(x-1)(x−2)(x−1)
(x−2)(x+1)(x-2)(x+1)(x−2)(x+1)
(x+2)(x−1)(x+2)(x-1)(x+2)(x−1)
(x+2)(x+1)(x+2)(x+1)(x+2)(x+1)
Type a concept, like “slope” or “photosynthesis”.
