solve for a perfect square

Algebra
Tutor: None Selected Time limit: 1 Day

y^2-4y+

i didn't leave anything out this is the equation

Jun 22nd, 2015

To make this a perfect square, 4 should be added


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Jun 22nd, 2015

Please copy paste the full question

Jun 22nd, 2015

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Jun 22nd, 2015
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Jun 22nd, 2015
Dec 8th, 2016
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