Expand and simplify an expression involving a single term in front of each brackets (i.e. not double brackets)

In fact, I am have the absolute opposite of s iftkhar's opinion. This website is very fast and is very productive when I need to revise for an exam. So thank you Dr Frost for that.

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## Alex Duffy

## 21st Apr 2017 Flag Comment - Delete

On the slides labelled "Yr7-Brackets.pptx" slide 7 question 3 is incorrect for the second shapes perimeter. It says 2a+10 but I believe it is actually 4a+10.