H.C.F. and L.C.M. (NF)

Steps

1. Factorise each polynomial completely.
2. H.C.F.: the common factors, each with its lowest power.
3. L.C.M.: every factor, each with its highest power.

For the whole topic, read More about polynomials: key points, common mistakes and how the DSE tests it.

Other methods in this topic