Expanding and Factorising
Substitution
Expanding and Factorising
Pre-TestAlgebra skills {revision}Algebra skillsExpansionFactorisation
- Factorising by the Highest Common Factor (HCF)
- Factorising by sum and product {Part 1}
- Factorising by sum and product {Part 2}
Variables in an expression have unknown values. If the values of the variables in an expression are known, then the value for the expression can be found by replacing the variables in the expression with these values. This process is known as substitution.