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  • 22-04-2016
  • Mathematics
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Question in picture. Thanks!

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  • 22-04-2016
5X^2 - 45 5(X^2 - 9) 5(X - 3)(X + 3) 4X^2 - 324 4(X^2 - 81) 4(X - 9)(X + 9)
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