What is the highest common algebraic factor of the terms $15n^2m$15n2m and $8nm^2$8nm2?
What is the highest common factor of the terms $16a^2bp^3q^6$16a2bp3q6 and $12b^4m^2n^6p$12b4m2n6p?
Factorise $8hj-9gh$8hj−9gh.
Factorise $44uv-8u^2v$44uv−8u2v.