Posted by **OHara** on Thursday, June 6, 2013 at 3:04pm.

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

- Maths Factorising- please help right now. -
**Kuai**, Thursday, June 6, 2013 at 3:18pm
(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. -
**Steve**, Thursday, June 6, 2013 at 3:55pm
or, as the difference of squares,

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

- Maths Factorising- please help right now. -
**OHara**, Thursday, June 6, 2013 at 7:37pm
Thanks guys:)

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