Simplify the brackets, (x+1)(x+2)

The answer is: x2 +3x +2

I worked this out using a method I know as 'the smiley face method'. I can elaborate furthur if needed.

NR

Related HTML and CSS Mentoring answers

All answers ▸

What is CSS used for?


Many different data types can be stored on a computer system. Five common data types are string, Boolean, real, character and integer. Give suitable examples of data that could be held in each data type.


What is the correct HTML to link a stylesheet?


Describe the advantages and disadvantages of the three main ways of adding CSS to a website