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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 f...

Using the Example 9Y + 6 Factorising means to remove a common factor from both the ‘9Y’ term and the ‘6’ – this common factor will then be placed outside the brackets. For us to complete this question, we...

MC = marginal (extra) cost incurred by a firm when its production raises by one unit.

MR = marginal (extra) revenue a firm rece...