
▲ 0 r/learnmath
Why aren’t the common binomials y-11 and y+11 extracted?
part 1 of equation
[img]https://i.ibb.co/KjfKx32D/IMG-6701.jpg\[/img\]
part 2 of equation [img]https://i.ibb.co/73V3DdZ/IMG-6702.jpg\[/img\]
From Knewton. I’m confused as to why y-11 and y+11 weren’t extracted from the answer despite being common binomials
u/Kind_Acanthisitta600 — 9 hours ago