Factorise the following expression
- factorise the following expression 7a2+14a
- factorise the following expression class 8
- factorise the following expression 6p-12q
- factorise the following expression (l+m)2-4lm
- factorise the following expression p2-10p+25
- factorise the following expression p2+6p-16
- factorise the following expression 4x2-8x+4
- factorise the following expression p2+6p+8
- factorise the following expression a2+8a+16
- factorise the following expression 7x - 42
