Breaking numbers down into their prime factors and writing numbers as a product of their prime factors, including the use of index form.
An introduction to integers and examples of using a known calculation to find the answer to related calculations.
A simple example of expanding (multiplying out) double brackets
(x + 3)(x – 4)
For more on this topic, see expanding-double-brackets
Expanding (multiplying out) double brackets using the FOIL method to ensure that all the terms are multiplied.
The expressions in the brackets are called binomials because they consist of two terms that are either added or subtracted.
After multiplying the binomials it is important to simplify the final expression by collecting like terms.