document.write( "Question 1059138: What is x^2+8x+6=0 using the completing the square method
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Algebra.Com's Answer #674213 by josmiceli(19441) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"+x%5E2+%2B+8x+%2B+6+=+0+\"$
\n" ); document.write( " $\"+x%5E2+%2B+8x+=+-6+\"$
\n" ); document.write( "Take 1/2 of the coefficient of $\"+x+\"$ ,
\n" ); document.write( "square it, and add it to both sides
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\n" ); document.write( " $\"+x%5E2+%2B+8x+%2B+%288%2F2%29%5E2+=+-6+%2B+%288%2F2%29%5E2+\"$
\n" ); document.write( " $\"+x%5E2+%2B+8x+%2B+16+=+-6+%2B+16+\"$
\n" ); document.write( " $\"+%28+x+%2B+4+%29%5E2+=+%28+sqrt%2810%29+%29%5E2+\"$
\n" ); document.write( "Take the square root of both sides
\n" ); document.write( " $\"+x+%2B+4+=+sqrt%2810%29+\"$
\n" ); document.write( " $\"+x+=+-4+%2B+sqrt%2810%29+\"$
\n" ); document.write( "and, also, taking the negative square root of $\"+10+\"$ ,
\n" ); document.write( " $\"+x+%2B+4+=+-sqrt%2810%29+\"$
\n" ); document.write( " $\"+x+=+-4+-+sqrt%2810%29+\"$
\n" ); document.write( "---------------------------
\n" ); document.write( "check:
\n" ); document.write( " $\"+%28+-4+%2B+sqrt%2810%29+%29%5E2+%2B+8%2A%28+-4+%2B+sqrt%2810%29+%29+%2B+6+=+0+\"$
\n" ); document.write( " $\"+16+-+8%2Asqrt%2810%29+%2B+10+-+32+%2B+8%2Asqrt%2810%29+%2B+6+=+0+\"$
\n" ); document.write( " $\"+16+%2B+10+-+32+%2B+6+=+0+\"$
\n" ); document.write( " $\"+32+-+32+=+0+\"$
\n" ); document.write( " $\"+0+=+0+\"$
\n" ); document.write( "OK
\n" ); document.write( "You can check the other answer
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