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How do you factor $25y^2-10y+1$ ?

1 Answer

Feb 17, 2017

$(5y-1)^2$

Explanation:

$25y^2-10y+1$

Factorise.

$25y^2-5y-5y+1$

$5y(5y-1)-1(5y-1)$

$(5y-1)(5y-1)$

$(5y-1)^2$

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