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Homework Help: Algebra

Posted by traci on Wednesday, June 29, 2011 at 8:43pm.

Completely factor the following expression:100x2 – 160xy + 64y2

• Algebra - MathMate, Wednesday, June 29, 2011 at 9:03pm

  100x2 – 160xy + 64y2
  =4(25x²-40xy+16y²)
  =4((5x)²-2*5x*4y+(4y)²)
  =...
  use (a-b)²=a²-2ab+b²
  to complete the factorization.
  

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