Some quadratics cannot be factorised. An alternative method to solve a quadratic equation is to complete the square. To solve an equation of the form \(x^2 + bx + c = 0\) consider the expression ...
The Edexcel GCSE maths exam is spread over three separate papers and each part is worth 80 marks SCHOOLKIDS all over the country will be preparing for their GCSE maths exam. While it is normal to feel ...