document.write( "Question 293255: solve by completing the square 3/8x^2 = 1/8 - x
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document.write( "Get 0 on one side: 3/8x^2 + x - 1/8 = 0
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document.write( "Divide both sides by 8 and then you get: 3x^2+8x-1 =0
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document.write( "Then I make the coefficient of x^2 equal to 1, I divide both sides by 3, term by term.
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document.write( "Then I get x^2 + 8/3 - 1/3 = 0
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document.write( "This is where I get confused. I need help completing the square now. I know I square 1/2(8/3)^2 and that gives me a square and I add 16/9 to both sides. \r
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Algebra.Com's Answer #211698 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! solve by completing the square 3/8x^2 = 1/8 - x \n" ); document.write( "Get 0 on one side: 3/8x^2 + x - 1/8 = 0 \n" ); document.write( "Divide both sides by 8 and then you get: 3x^2+8x-1 =0 *** Actually, you multiplied by 8, but good work. \n" ); document.write( "------------------------------------ \n" ); document.write( "Then I make the coefficient of x^2 equal to 1, I divide both sides by 3, term by term. \n" ); document.write( "Then I get x^2 + 8/3 - 1/3 = 0 *** 8x/3\r \n" ); document.write( "\n" ); document.write( "This is where I get confused. I need help completing the square now. I know I square 1/2(8/3)^2 and thaat gives me a square and I add 16/9 to both sides. \r \n" ); document.write( "\n" ); document.write( "----------------- \n" ); document.write( "x^2 + 8x/3 - 1/3 = 0 \n" ); document.write( " \n" ); document.write( "Then add ((8/3)/2)^2 to both sides \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "Can you take it from there? \n" ); document.write( " \n" ); document.write( " |