document.write( "Question 110550This question is from textbook
\n" ); document.write( ": Please help me solve this problem: 2(y-1)squared=ysquared \n" ); document.write( "
Algebra.Com's Answer #80532 by wgunther(43)\"\" \"About 
You can put this solution on YOUR website!
\"2%28y-1%29%5E2=y%5E2\"
\n" ); document.write( "\"2%28y-1%29%28y-1%29=y%5E2\"
\n" ); document.write( "\"2%28y%5E2-2y%2B1%29=y%5E2\"
\n" ); document.write( "\"2y%5E2-4y%2B4=y%5E2\"
\n" ); document.write( "\"y%5E2-4y%2B4=0\"
\n" ); document.write( "\"%28y-2%29%5E2=0\"
\n" ); document.write( "So, y=2.
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