document.write( "Question 1040173: Factor completely and show a detailed solution\r
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Algebra.Com's Answer #654980 by ikleyn(52786) $\"\"$ $\"About$

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document.write( " =  = .\r\n" );
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document.write( "Completed.\r\n" );
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\n" ); document.write( "\n" ); document.write( "You need to know two facts (two identities):\r
\n" ); document.write( "\n" ); document.write( "1) $\"x%5E2+%2B+2xy+%2B+y%5E2\"$ = $\"%28x%2By%29%5E2\"$ , and\r
\n" ); document.write( "\n" ); document.write( "2) $\"x%5E2+-+1\"$ = $\"%28x%2B1%29%2A%28x-1%29\"$ .\r
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\n" ); document.write( "\n" ); document.write( "Do you know it? If not (or if you are not sure) look into this lesson\r
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\n" ); document.write( "\n" ); document.write( " OVERVIEW of shortcut quadratic multiplication formulas \r
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\n" ); document.write( "\n" ); document.write( "and associated with it.\r
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