Practice problem
Simplify the following expression: (2−y)(7+y)(2-y)(7+y)(2−y)(7+y).
9−y29-y^29−y2
14−y214 - y^214−y2
14+5y−y214 + 5y - y^214+5y−y2
14−5y+y214 - 5y + y^214−5y+y2
14−5y−y214 - 5y - y^214−5y−y2
14+5y+y214 + 5y + y^214+5y+y2
Type a concept, like “slope” or “photosynthesis”.