Factorise 2m-7me

Factorise 45-27k

Factorise 12ab+7b

Factorise $$y^2-9y$$  

Factorise $$a^2-4a$$  

Factorise $$8b^2+6b$$  

Factorise $$12abc^2+4a^2bc-16ab^2c$$  

Factorise $$8t-32t^2$$  

Factorise $$16gh+28gf$$  

Factorise $$21w^2z-77wx$$  

Factorise $$8ab^2-6a^2b+2ab$$