# E-Maths: Completing Square Step-by-Step Video (Part 1)

I was talking to my Secondary 3 students in my O-Level E Maths weekly tuition class on Quadratic when they expressed disgust for the technique of Completing Square.

A similar thing happened when Completing Square was an alternative method offered to Equation of Circle concept. There was a collective yucks from the class.

I hope my video will ease the yuckness many students find with completing square technique and give you some hope to conquer it!

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### Ai Ling Ong

Hi, I'm Ai Ling Ong. I enjoy coaching students who have challenges with understanding and scoring in 'O' Level A-Maths and E-Maths. I develop Math strategies, sometimes ridiculous ideas to help students in understanding abstract concepts the fast and memorable way. I write this blog to share with you the stuff I teach in my class, the common mistakes my students made, the 'way' to think, analyze... If you have found this blog post useful, please share it with your friends. I will really appreciate it! :)

### 9 Responses to E-Maths: Completing Square Step-by-Step Video (Part 1)

1. [...] This post was mentioned on Twitter by singaporeolevelmaths, Ai Ling, ONG. Ai Ling, ONG said: E-Maths: Completing Square Step-by-Step Video (Part 1): I was talking to my Secondary 3 students on Quadratic wh... http://bit.ly/fnxT4Z [...]

2. clare says:

=D

Bingo!
Thank you for participation.

3. kimberly says:

x^2 - 7x - 5
= (x-3.5)^2 - 3.5^2 -5
= (x-3.5)^2 + 12.25 - 5
= (x-3.5)^2 + 7.25

in front of 12.25 should be a negative sign.

is this secondary 3 mathes?

Usually Sec 3 or even Sec 2 students would have learnt it by first half of the year.

4. Eugene says:

I'm from malaysia and is there a way to get your books?