document.write( "Question 543613: x^2-2/5x+1/25 \n" ); document.write( "

Algebra.Com's Answer #354874 by josmiceli(19441) $\"\"$ $\"About$

You can put this solution on YOUR website!
I notice that $\"+1%2F25+=+%281%2F5%29%5E2+\"$
\n" ); document.write( "If I say $\"+a+=+1%2F5+\"$ ,then I have
\n" ); document.write( " $\"+x%5E2+-+2a%2Ax+%2B+a%5E2+\"$
\n" ); document.write( " $\"+%28+x+-+a+%29%5E2+\"$
\n" ); document.write( "There are 2 identical roots, $\"+x+=+a+\"$ and
\n" ); document.write( "since $\"+a+=+1%2F5+\"$ ,
\n" ); document.write( " $\"+x+=+1%2F5+\"$
\n" ); document.write( "check answer:
\n" ); document.write( " $\"+x%5E2+-+%282%2F5%29%2Ax+%2B+%281%2F5%29%5E2+=+0+\"$
\n" ); document.write( " $\"+%281%2F5%29%5E2+-+%282%2F5%29%2A%281%2F5%29+%2B+%281%2F5%29%5E2+=+0+\"$
\n" ); document.write( " $\"+1%2F25+-+2%2F25+%2B+1%2F25+=+0+\"$
\n" ); document.write( " $\"+2%2F25+-+2%2F25+=+0+\"$
\n" ); document.write( " $\"+2%2F25+=+2%2F25+\"$
\n" ); document.write( "OK \n" ); document.write( "

\n" );