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posted by traci on Wednesday, June 29, 2011 at 8:43pm.
Completely factor the following expression:100x2 â€“ 160xy + 64y2
100x2 â€“ 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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