document.write( "Question 661573: difference of two positive integer is 5 and their product is 204.find the integers
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Algebra.Com's Answer #411684 by ReadingBoosters(3246)\"\" \"About 
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x-y=5
\n" ); document.write( "xy=204
\n" ); document.write( "Substitution
\n" ); document.write( "(5+y)y=204
\n" ); document.write( "5y +y^2-204=0
\n" ); document.write( "Rearrange
\n" ); document.write( "y^2 + 5y - 204 = 0
\n" ); document.write( "(y+ )(y- ) mixed sign due to - 204
\n" ); document.write( "Multiples of 204 that will subtract to equal 5: 12,17
\n" ); document.write( "(y + 17 )(y - 12 )
\n" ); document.write( "y+17=0, so y = -17 NO, must be positive integer
\n" ); document.write( "y-12=0, so y = 12 Yes!
\n" ); document.write( "x-12=5, so x=5+12=17
\n" ); document.write( "Proof
\n" ); document.write( "17-12 = 5
\n" ); document.write( "17*12 = 204
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