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The first step is to make sure that the coefficient of x^2 is 1 by dividing all terms by a (where a equals the coefficient of x^2). Then we must write the quadratic equation as a square plus another term. To...

This is because the reaction taking place is a displacement reaction , meaning that one element is being displaced by another. So what is being displaced?: If you look at the periodic table, chlorine is more...

The reason why we factorise quadratic equation is because it is a neater and simpler way of writing the expression. Example 1 If we wanted to factorise x^2 + 10 + 21 we must look at factors of 21 that add up...

From personal experience, I believe the best way for revising for literature is kowing the works. This does not mean know the plot and the names of the characters (even though that's a start...). By know, I ...

In order to form the conditional in French, you need to take the infinitive of the verb you want to use (e.g. manger - to eat) and add the ending depending on which pronoun you wish to use. Je mangerAIS - I ...