document.write( "Question 1116344: solve 2x^2 +13x+ 20 = 0 using complete the square \n" ); document.write( "
Algebra.Com's Answer #731219 by Alan3354(69443)\"\" \"About 
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solve 2x^2 +13x+ 20 = 0 using complete the square
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\n" ); document.write( "2x^2 +13x+ 20 = 0
\n" ); document.write( "x^2 + 6.5x + 10 = 0
\n" ); document.write( "x^2 + 6.5x = -10
\n" ); document.write( "x^2 + 6.5x + (6.5/2)^2 = -10 + (6.5/2)^2 = 0.5625
\n" ); document.write( "(x + 3.25)^2 = 0.75^2
\n" ); document.write( "x + 3.25 = 0.75
\n" ); document.write( "x = -2.5
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\n" ); document.write( "x + 3.25 = -0.75
\n" ); document.write( "x = -4
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