Factorise a square minus b
- factorise 4 a square minus b square 2 a b
- factorise 25 a square minus 64 b square
- factorise 25a square minus 9b square
- factorise 9a square minus 16b square
- factorise 63a square minus 112b square
- factorise a square minus b square 2bc c square
- factorise a square minus b ab minus a
- factorise a square minus b square 2b 1
- factorise a square minus b minus c square
- factorise a square minus b square
