document.write( "Question 337675: complete the square write it as a trinomial or polynomial\r
\n" ); document.write( "\n" ); document.write( "x^2+2x\r
\n" ); document.write( "\n" ); document.write( "x(x+2)
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Algebra.Com's Answer #242091 by Fombitz(32388)\"\" \"About 
You can put this solution on YOUR website!
\"x%5E2%2B2x\"
\n" ); document.write( "To complete the square take (\"1%2F2\") of the \"x\" coefficient, square it, then add and subtract this value to the expression.
\n" ); document.write( "\"%281%2F2%29%282%29=1\"
\n" ); document.write( "\"1%5E2=1\"
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\n" ); document.write( "\"x%5E2%2B2x=x%5E2%2B2x%2B1-1\"
\n" ); document.write( "\"x%5E2%2B2x=%28x%5E2%2B2x%2B1%29-1\"
\n" ); document.write( "\"x%5E2%2B2x=%28x%2B1%29%5E2-1\"\r
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