tag:blogger.com,1999:blog-4764174771976602252.post7882378772937219124..comments2023-05-15T23:28:32.239+08:00Comments on 2012 S2-08 Maths Blog: What is wrong?Nur Joharihttp://www.blogger.com/profile/12038483883275572574noreply@blogger.comBlogger5125tag:blogger.com,1999:blog-4764174771976602252.post-18870015024478638072012-01-11T21:48:32.421+08:002012-01-11T21:48:32.421+08:00He should have transferred the 4 to the last line....He should have transferred the 4 to the last line. Instead, he transferred it wrongly and put 8. I think he must have multiply the square with the 4.Muhammad Hamidshah Bin Nasharuddinhttps://www.blogger.com/profile/03420408092123360169noreply@blogger.comtag:blogger.com,1999:blog-4764174771976602252.post-87270187038265949752012-01-11T09:46:27.113+08:002012-01-11T09:46:27.113+08:00https://lh5.googleusercontent.com/-RY-hnVBez_s/Twz...https://lh5.googleusercontent.com/-RY-hnVBez_s/TwzpqZXP44I/AAAAAAAAAt8/7bIesvVUD2k/s400/1.pngRAGULhttps://www.blogger.com/profile/02891480275086345460noreply@blogger.comtag:blogger.com,1999:blog-4764174771976602252.post-18003114418274402422012-01-11T09:44:15.231+08:002012-01-11T09:44:15.231+08:00square root of 16 is 4^2 hence when removing the b...square root of 16 is 4^2 hence when removing the brackets the result becomes (3w-4)^2Velmurugan Pravinhttps://www.blogger.com/profile/16914341017124108829noreply@blogger.comtag:blogger.com,1999:blog-4764174771976602252.post-48951902602970837642012-01-11T09:43:16.885+08:002012-01-11T09:43:16.885+08:00He should have used cross method. 9w^2=3w*3w. 16=4...He should have used cross method. 9w^2=3w*3w. 16=4*4. In order to get -24w, one of the numbers will have two negative numbers to make a positive, so 16=-4*-4.Jeanhttps://www.blogger.com/profile/15202403310500405077noreply@blogger.comtag:blogger.com,1999:blog-4764174771976602252.post-285529185320338432012-01-11T09:37:53.795+08:002012-01-11T09:37:53.795+08:00since 16 = 4^2,
it should be (3w-4)^2. ^2 is squa...since 16 = 4^2, <br />it should be (3w-4)^2. ^2 is square, not multiply, bear in mind.Anonymoushttps://www.blogger.com/profile/04084868244399237637noreply@blogger.com