document.write( "Question 751269: I have to complete the square of x^2+6x+8=0 \n" ); document.write( "

Algebra.Com's Answer #457109 by josgarithmetic(39617) $\"\"$ $\"About$

You can put this solution on YOUR website!
x^2+6x+8=0\r
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\n" ); document.write( "\n" ); document.write( "The term to add and subtract corresponds to $\"%28b%2F2%29%5E2\"$ from the expression, $\"x%5E2%2Bb%2Fa%2Bc%2Fa\"$ . The term for your example would be $\"%286%2F2%29%5E2=9\"$ .\r
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\n" ); document.write( "\n" ); document.write( " $\"x%5E2%2B6x%2B8%2B9-9\"$
\n" ); document.write( " $\"x%5E2%2B6x%2B9%2B8-9\"$
\n" ); document.write( " $\"%28x%5E2%2B6x%2B9%29%2B8-9\"$
\n" ); document.write( " $\"%28x%2B3%29%5E2%2B%28-1%29\"$
\n" ); document.write( "or simply
\n" ); document.write( " $\"highlight%28%28x%2B3%29%5E2-1%29\"$ \n" ); document.write( "

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