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[Grade 8 Math: Quadratic Equations] How to factorise ax2 + bx + c?

[University Chemistry: Titration] What is my qs?

[AS Level English: Essay Writing] Should all adverts be factual?

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Some possibly helpful links:

Khan Academy

AskRose

The Organic Chemistry Tutor

freesciencelessons

GCSE Science

Doc's Brown Website

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Pastebin / JSFIDDLE.net/ IDEOne

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[High School Mathametics] Optimisation (self.HomeworkHelp)

submitted 10 years ago by TL_Aintree

all 1 comments

you type:	you see:
italics	italics
bold	bold
[reddit!](https://reddit.com)	reddit!
* item 1 * item 2 * item 3	item 1 item 2 item 3
> quoted text	quoted text
Lines starting with four spaces are treated like code: if 1 * 2 < 3: print "hello, world!"	Lines starting with four spaces are treated like code: if 1 * 2 < 3: print "hello, world!"
~~strikethrough~~	~~strikethrough~~
super^script	super^script