Practice problem
Factor x2−x−2x^2 - x - 2x2−x−2 as (x+r)(x+s)(x+r)(x+s)(x+r)(x+s), for some integers rrr and sss. What is ∣r−s∣|r-s|∣r−s∣?
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Type a concept, like “slope” or “photosynthesis”.
