Question
Wed September 25, 2013 By: Angel Sanaf Farooqui
  1. How to solve this question to show that  this is quadratic equation or not? explain briefly with formulas.............

    how (x-2)(x+1) = (x-1)(x+3) solved ?

Expert Reply
Wed September 25, 2013
(x-2)(x+1) = (x-1)(x+3)
x2 - 2x + x - 2 = x2 - x + 3x - 3
-x - 2 = 2x - 3
This is clearly a linear equation (highest power of the variable x is 1).
 
Thus, the given equation is not a quadratic equation.
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