Factorize by identifying the highest common factor of the expression .
The highest common factor (HCF) of an algebraic expression is the greatest term that will divide evenly into all the terms of the expression.
So, the HCF of this expression is .
Express each term in the expression as the product of the HCF and another value. Then, take out the HCF from each term to factorise.
Remember that the product of powers with the same base is equal to the base raised to the sum of the powers: .