document.write( "Question 1128512: How to complete square method of 3x^2 +6x=12 \n" ); document.write( "

Algebra.Com's Answer #744983 by MathLover1(20849) $\"\"$ $\"About$

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\n" ); document.write( "\n" ); document.write( " $\"+3x%5E2+%2B6x=12\"$ ....first simplify, both sides divide by $\"3\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"+x%5E2+%2B2x=4\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"+%28x%5E2+%2B2x%2Bb%5E2%29-b%5E2=4\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"+%28x%5E2+%2B2x%2B1%5E2%29-1%5E2=4\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"+%28x%2B1%29%5E2-1=4\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"+%28x%2B1%29%5E2=4%2B1\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"+%28x%2B1%29%5E2=5\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"+%281%2F5%29%28x%2B1%29%5E2=1\"$ \r
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