#Expression simplification (using factorisation)

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odd osprey
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Can anyone help with these 3 expressions

  1. x^2 - y^2 - 5ax +5ay - 2xy

  2. a^2 - b^2 - y^2 - 10a +25 + 26y

  3. 2(a^2) - 2a + ab - b + ax -x