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using the method, what two numbers multiply to create -1 and add to make 0 -1 must be 1 x -1 therefore answer is (x+1)(x-1) - is it clear how the single x value is cancelled out? x^2 +x -1 -x = x^2 -1

The Abbey of Saint Denis was rebuilt from 1135 - 1144 under the watchful eye of its abbot, Suger, a schoolfellow of the King. Although Saint Denis' position in the evolution of Gothic architecture is disp...

It can feel overwhelming when you turn the page and see a 12 mark question to answer. How do you get those marks? When a question asks you to "discuss" it is looking for a comprehensive answer t...

Sin lugar a duda, el Internet ha traído una gran variedad de ventajas a nuestra sociedad hoy en día, en cuanto a trabajo, el sistema educativo, entrenamiento, el mundo social, así como también a la econom...

There is a big difference between "HA" and "A". Many people still do this mistake, even italians.
"HA" with the H is the verb "To have" whereas "A" ...