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How to FACTORISE an equation:To avoid confusion; x = xx = multiplicationTake the example; 3x +18In order to factorise we need to find a common factor for both '3x' and '18' and this number wi...
How do I solve the following question. 'Find the values of x such that 2log3(x) - log3(x-2) = 2'.To simplify this equation in order to solve it, the first step is to simplify the 2lo...
This is a question taken straight out of an Edexcel exam paper. I think it's a good test of GCSE level probability and algebra. We don't know how many adults there are to begin with so let's say n...
Just to make things easier to write I will be using some letters to mean things.I will write:J = John's ageK = Kim's ageV = Vanessa's age.So John is n years old so John's age is n --> J = n.JMAnswered by Jack M. • Maths tutor4358 Views
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