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

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

  • Algebra - , 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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