Practice problem
Factor x2+15x+56x^2+15x+56x2+15x+56 into (x+u)(x+v)(x+u)(x+v)(x+u)(x+v). What is ∣u−v∣|u-v|∣u−v∣?
111
−1-1−1
−7-7−7
−8-8−8
Type a concept, like “slope” or “photosynthesis”.
