document.write( "Question 1182190: I am not sure how to do this, please help\r
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Algebra.Com's Answer #812174 by josgarithmetic(39617)\"\" \"About 
You can put this solution on YOUR website!
The form and style of the question look very familiar.\r
\n" ); document.write( "\n" ); document.write( "If you wish to solve a quadratic equation using Completing the Square then for \"x%5E2%2Bbx%2Bc=0\", the term which does this is \"%28b%2F2%29%5E2=b%5E2%2F4\".\r
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\n" ); document.write( "\n" ); document.write( "\"x%5E2%2Bbx=-c\"\r
\n" ); document.write( "\n" ); document.write( "\"x%5E2%2Bbx%2B%28b%2F2%29%5E2=%28b%2F2%29%5E2-c\"\r
\n" ); document.write( "\n" ); document.write( "\"%28x%2Bb%2F2%29%5E2=b%5E2%2F4-c\"\r
\n" ); document.write( "\n" ); document.write( "etcetera, etcetera until you finish solve for x, and simplify.
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\n" ); document.write( "\n" ); document.write( "Your example given is \"x%5E2-2x-12=0\", so\r
\n" ); document.write( "\n" ); document.write( "\"x%5E2-2x=12\"\r
\n" ); document.write( "\n" ); document.write( "term you need is 1.\r
\n" ); document.write( "\n" ); document.write( "\"x%5E2-2x%2B1=12%2B1\"\r
\n" ); document.write( "\n" ); document.write( "\"x%5E2-2x%2B1=13\"\r
\n" ); document.write( "\n" ); document.write( "\"%28x-1%29%5E2=13\"\r
\n" ); document.write( "\n" ); document.write( "\"x-1=0%2B-+sqrt%2813%29\"\r
\n" ); document.write( "\n" ); document.write( "\"x=1%2B-+sqrt%2813%29\"\r
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