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I would always suggest to follow the simple "PEEL" format. This is the most effective and efficient way to get your point across without loosing the examiners attention. It is all about making i...

 3 x² + 6 x + 3 = 0 . .../3 x² + 2 x + 1 = 0(x+1)²=0x+1=0x=-1PROOF3 (-1)² + 6 (-1) + 3 = 0

Words like I, you, she and they are all personal pronouns - this means that they take the place of nouns in a sentence to tell us who is doing an action, or is having an action done to them. We use them v...

The Treaty of Versailles imposed tremendously harsh sanctions and limitations on Germany for preventing German military and economic recovery. The German Army was almost fully demobilised,restricted to me...

In general, ser is used to describe permanent or innate qualities where as estar is used to describe something more temporary. So geographical location, weather and moods and continuous actions are descri...