Tuesday, November 30, 2010

Solving quadratic Equations

 Question 1
Q1)   (3x+4) 2
      = (3x) 2 + 2(3x)(4)+(4)2
      = 9x2 + 24x + 16

Q2) (5x-3) 2
      = (5x) 2 - 2(5x)(3)+ (3) 2
      = 25x2    - 15x + 9

Q3)  (3x-5)(3x+5)


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