Factorise x square minus
- factorise x square minus x minus 2
- factorise x square minus x minus 12
- factorise x square minus x minus 6
- factorise x square minus x minus 4
- factorise x square minus x minus 156
- factorise x square minus y square 2y 1
- factorise x square minus y square
- factorise x square minus y square 6 y 9
- factorise x square minus y square upon 100
- factorise x square minus x minus 30
