Maths Factorising- please help right now.

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Factorise (x - 1)^2 - 4y^2

  • Maths Factorising- please help right now. -

    (X-1)(x-1)-4y^2

    x^ 2 -x -x +1 -4y^2

    x^2 -2x + 1 -4y^2

    (x -2y-1)(x +2y -1)

  • Maths Factorising- please help right now. -

    or, as the difference of squares,

    ((x-1)-2y)((x-1)+2y)

  • Maths Factorising- please help right now. -

    Thanks guys:)

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