**Warning**: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead in

**/home/customer/www/singaporeolevelmaths.com/public_html/wp-content/plugins/latex/latex.php**on line

**47**

Another **TIP** for students taking **Elementary Mathematics** (**E-Math**)

Qn: Expand and Simplify the following:

Method 1 : Expansion using one of the Algebraic rules

Did you see what is not right?

Method 2: Recognizing

so

Method 1:

Bracket is missing! the negative sign belongs to the expansion of not just

Correct Ans:

## Leave a Reply