Practice problem
Factor x2+7x−8x^2 + 7x - 8x2+7x−8 as (x+m)(x−n)(x+m)(x-n)(x+m)(x−n), where m,nm,nm,n are positive. What is m+nm+nm+n?
4
5
9
10
Type a concept, like “slope” or “photosynthesis”.
