document.write( "Question 256204: Solve each quadratic equation.\r
\n" ); document.write( "\n" ); document.write( "1. 2x^2 - 3x - 11 = 0\r
\n" ); document.write( "\n" ); document.write( "2. 3x^2 + 48 = 0\r
\n" ); document.write( "\n" ); document.write( "3. 2x^2 - x + 1 = 0
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Algebra.Com's Answer #188389 by checkley77(12844)\"\" \"About 
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1. 2x^2 - 3x - 11 = 0
\n" ); document.write( "\"x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+\"
\n" ); document.write( "x=(3+-sqrt[-3^2-4*2*-11])/2*2
\n" ); document.write( "x=(3+-sqrt[9+88])/4
\n" ); document.write( "x=(3+-sqrt97)/64x=(3+-9.849)/6
\n" ); document.write( "x=(3+9.849)/4
\n" ); document.write( "x=12.849/4
\n" ); document.write( "x=3.2122 ans.
\n" ); document.write( "x=(3-9.849)/4
\n" ); document.write( "x=-6.849/4
\n" ); document.write( "x=-1.7122 ans.
\n" ); document.write( "2. 3x^2 + 48 = 0
\n" ); document.write( "3(x^2-16)=0
\n" ); document.write( "3(x+4)(x-4)=0
\n" ); document.write( "x+4=0
\n" ); document.write( "x=-4 ans
\n" ); document.write( "x-4=0
\n" ); document.write( "x=4 ans.
\n" ); document.write( "3. 2x^2 - x + 1 = 0
\n" ); document.write( "(2x+1)(x-1)=0
\n" ); document.write( "2x+1=0
\n" ); document.write( "2x=-1
\n" ); document.write( "x=-1/2 ans.
\n" ); document.write( "x-1=0
\n" ); document.write( "x=1 ans.
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