Practice problem
(7k−3)(k2+7)=?(7k - 3)(k^2 + 7) = ?(7k−3)(k2+7)=?
7k2−3k2+497k^2 - 3k^2 + 497k2−3k2+49
7k3−3k2+49k−217k^3 - 3k^2 + 49k - 217k3−3k2+49k−21
7k3−6k2+49k−217k^3 - 6k^2 + 49k - 217k3−6k2+49k−21
Type a concept, like “slope” or “photosynthesis”.
