What’s the first step to factorising an equation?
Find the highest common factor of all the numbers
What’s the second step to factorising an equation?
Divide all the numbers by the highest common factor
How do you layout your answer?
You put the HCF outside the brackets then place the answers from the division in the brackets.
Example of factorising;
2x+4=
HCF= 2
2/2x=x
2/4=2
2x+4= 2(x+2)
How can you double check if your answer is correct?
Expand the brackets and you should get the same equation
What do you do if the HCF is everything?
Change it to 1