tag:blogger.com,1999:blog-5843294670881242012.post6619541174082460303..comments2023-05-15T19:59:04.774+08:00Comments on 2011 S1-02 Maths Blog: Expansion - Explanation with Area of Square (Question 1)Loh Kwai Yinhttp://www.blogger.com/profile/06503397685892227762noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-5843294670881242012.post-40396012137136384932011-07-19T06:46:15.739+08:002011-07-19T06:46:15.739+08:00Christabel
You have illustrated the expansion usi...Christabel<br /><br />You have illustrated the expansion using FOIL Method very clearly. Good!<br />To explain using the area of rectangle, we would treat the length of the rectangle as x. So, when we subtract the length by 9, the remaining side would be x-9. From there, you should be able to work out the areas of the different parts correctly.Ms Lohnoreply@blogger.com