document.write( "Question 105288: 1/x+1/(x+1)= 1/1.5\r
\n" ); document.write( "\n" ); document.write( "why can't i get this?
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Algebra.Com's Answer #76687 by edjones(8007)\"\" \"About 
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1/x+1/(x+1)= 1/1.5
\n" ); document.write( "1/x + 1/(x+1) = 2/3
\n" ); document.write( "We have to get rid of the fractions. Multiply both side times 3x(x+1)
\n" ); document.write( "3(x+1)+3x=2x(x+1) Much better!
\n" ); document.write( "3x+3+3x=2x^2+2x
\n" ); document.write( "6x+3=2x^2+2x
\n" ); document.write( "-2x^2+4x+3=0 subtract the right side from the left.
\n" ); document.write( "2x^2-4x-3=0 multiply both sides by -1.
\n" ); document.write( "x^2-2x-3/2=0 divide each side by 2.
\n" ); document.write( "x^2-2x =3/2
\n" ); document.write( "x^2-2x+1=3/2+1 complete the square
\n" ); document.write( "(x-1)^2=2.5
\n" ); document.write( "x-1=+-sqrt(2.5) sqrt of both sides
\n" ); document.write( "x=1+-sqrt(2.5)
\n" ); document.write( "x= 2.58114
\n" ); document.write( "x= -0.58114
\n" ); document.write( "Ed
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