document.write( "Question 392451: 1)a natural number,when increased by 12 becomes equal to 160 times its reciprocal.find the number \n" ); document.write( "

Algebra.Com's Answer #278561 by richard1234(7193) $\"\"$ $\"About$

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$\"x+%2B+12+=+160%2Fx\"$ \r
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\n" ); document.write( "\n" ); document.write( "Multiplying through by x,\r
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\n" ); document.write( "\n" ); document.write( " $\"x%5E2+%2B+12x+=+160\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"x%5E2+%2B+12x+-+160+=+0\"$ \r
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\n" ); document.write( "\n" ); document.write( "Luckily, this factors as\r
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\n" ); document.write( "\n" ); document.write( " $\"%28x+-+8%29%28x+%2B+20%29+=+0\"$ \r
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\n" ); document.write( "\n" ); document.write( "x = 8, -20 \n" ); document.write( "

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