document.write( "Question 726670: Factor completely\r
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Algebra.Com's Answer #444725 by lwsshak3(11628) $\"\"$ $\"About$

You can put this solution on YOUR website!
(y-1)^4-(y-1)^2
\n" ); document.write( "This is a difference of 2 squares
\n" ); document.write( "[(y-1)^2+(y-1)][(y-1)^2-(y-1)]
\n" ); document.write( "(y^2-2y+1+y-1)(y^2-2y+1-y+1)
\n" ); document.write( "(y^2-y)(y^2-3y+2)
\n" ); document.write( "y(y-1)(y-2)(y-1) \n" ); document.write( "

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