It can be helpful to look at the numbers and the letters separately. The HCF of 4 and 2 is 2. The HCF of \(\text{x}^{2}\) and \(\text{x}\) is \(\text{x}\). So the ...

To factorise an expression, we need to take out any factors that are common to each term. The process is the opposite of expanding brackets. We need to find the HCF of \(\text{10x}\) and \(\text{25}\) ...

Compare and contrast these two assignments. Both target an 8th grade standard on seeing structure in an expression and being able to represent that expression in different ways. Which do you suppose ...