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 ▸

How do I get better at Maths?


How many HTML heading levels are there?


How to go about designing a responsive HTML 5 website


how to code the details tag/ how to put a drop down option in a form?