document.write( "Question 154390: How do I solve an equation by factoring, if the sum in a fraction?\r
\n" ); document.write( "\n" ); document.write( "EXAMPLE: 6x + 7 = 20/x
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Algebra.Com's Answer #113683 by ankor@dixie-net.com(22740)\"\" \"About 
You can put this solution on YOUR website!
6x + 7 = 20/x
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\n" ); document.write( "Multiply both sides by x to get rid of the denominator
\n" ); document.write( "x(6x + 7) = 20
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\n" ); document.write( "Mult terms inside the brackets:
\n" ); document.write( "6x^2 + 7x = 20
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\n" ); document.write( "Subtract 20 from both sides to reveal our old friend, the quadratic equation
\n" ); document.write( "6x^2 + 7x - 20 = 0
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\n" ); document.write( "With diligent effort we can factor this to:
\n" ); document.write( "(2x + 5)(3x - 4) = 0
\n" ); document.write( "Two solutions
\n" ); document.write( "2x = -5
\n" ); document.write( "x = \"-5%2F2\"
\n" ); document.write( "x = -2.5
\n" ); document.write( "and
\n" ); document.write( "3x = 4
\n" ); document.write( "x = \"4%2F3\"
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\n" ); document.write( "Check the 1st solution in the original equation
\n" ); document.write( "6(-2.5) + 7 = \"20%2F-2.5\"
\n" ); document.write( "-15 + 7 = -8
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\n" ); document.write( "Check the 2nd solution
\n" ); document.write( "6*\"4%2F3\" + 7 = \"20%283%2F4%29\"
\n" ); document.write( "8 + 7 = 15
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