document.write( "Question 428278: Solve each quadratic equation by completing the square.\r
\n" ); document.write( "\n" ); document.write( "1.X^2+4x+2=0\r
\n" ); document.write( "\n" ); document.write( "2.X^2+8x=1\r
\n" ); document.write( "\n" ); document.write( "3.X^2+2=6x+4
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Algebra.Com's Answer #297724 by stanbon(75887)\"\" \"About 
You can put this solution on YOUR website!
Solve each quadratic equation by completing the square.
\n" ); document.write( "1.X^2+4x+2=0
\n" ); document.write( "x^2+4x+? = -2+?
\n" ); document.write( "x^2+4x+4 = -2+4
\n" ); document.write( "(x+2)^2 = 2
\n" ); document.write( "---
\n" ); document.write( "x+2 = sqrt(2) or x+2 = -sqrt(2)
\n" ); document.write( "x = -2+sqrt(2) or x = -2-sqrt(2)
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\n" ); document.write( "\n" ); document.write( "2.X^2+8x=1
\n" ); document.write( "x^2+8x+? = -1+?
\n" ); document.write( "x^2+8x+16 = -1+16
\n" ); document.write( "(x+4)^2 = 15
\n" ); document.write( "x+4 = sqrt(15) or x+4 = -sqrt(15)
\n" ); document.write( "---
\n" ); document.write( "x = -4+sqrt(15) or x = -4-sqrt(15)
\n" ); document.write( "-------------------------------------------
\n" ); document.write( "3.X^2+2=6x+4
\n" ); document.write( "x^2-6x = 2
\n" ); document.write( "x^2-6x+? = 2+?
\n" ); document.write( "x^2-6x+9 = 2+9
\n" ); document.write( "(x-3)^2 = 11
\n" ); document.write( "x-3 = sqrt(11) or x-3 = -sqrt(11)
\n" ); document.write( "x = 3+sqrt(11) or x = 3-sqrt(11)
\n" ); document.write( "==================================
\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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