Wednesday, 8 April 2015

On Factorisation of quadratic expression using cross method


Introduction to Solving Linear Equations


Questions:
  1. What must I do to balance the scale again if an operation (+,-, /, x) disrupted the balance?
  2. Is there a pattern to systematically solve any linear equation? What do you notice about the both sides the step before you are about to solve the equation





3. In the second video, why did the left-hand side of the weighing scale goes up when I added 3x to it?