document.write( "Question 433037: Solve the equation by completing the square.
\n" ); document.write( "9y^2 -12y -2 = 0
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Algebra.Com's Answer #300145 by stanbon(75887)\"\" \"About 
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Solve the equation by completing the square.
\n" ); document.write( "9y^2 -12y -2 = 0
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\n" ); document.write( "9y^2-12y = 2
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\n" ); document.write( "9(y^2-(4/3)y+?) = 2+9(?)
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\n" ); document.write( "9(y^2-(4/3)y+(2/3)^2) = 2+9(2/3)^2
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\n" ); document.write( "9(y-(2/3))^2 = 2+4
\n" ); document.write( "(y-(2/3))^2 = 2/3
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\n" ); document.write( "y-(2/3) = +/- sqrt(2/3)
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\n" ); document.write( "y = (2/3)+sqrt(2/3) or y = (2/3)-sqrt(2/3)
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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