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Solving quadratic equations by factorisation
**In the video, the factorisation of the quadratic equation is done in a faster manner by inspection. For students who are not comfortable with this way of inspection, criss-cross method can be used (please see another video under factorisation of quadratic expression by criss-cross method for a quick revision of this method).
**Do ensure one side of the equation must be 0 before you start solving the question. See the common mistake students make for the second example in this video and avoid this common mistake!
**Do ensure one side of the equation must be 0 before you start solving the question. See the common mistake students make for the second example in this video and avoid this common mistake!