document.write( "Question 742472: I was needing a little help on this problem:\r
\n" ); document.write( "\n" ); document.write( "What is the smallest of 3 consecutive positive integers if the product of the smaller two integers is 5 less than 5 times the largest integer?\r
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Algebra.Com's Answer #452486 by rothauserc(4718)\"\" \"About 
You can put this solution on YOUR website!
We are given\r
\n" ); document.write( "\n" ); document.write( "What is the smallest of 3 consecutive positive integers if the product of the smaller two integers is 5 less than 5 times the largest integer? \r
\n" ); document.write( "\n" ); document.write( "let 3 consecutive positive integers be i, i+1, i+2\r
\n" ); document.write( "\n" ); document.write( "then we have,\r
\n" ); document.write( "\n" ); document.write( "i*(i+1) = 5*(i+2)-5
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\n" ); document.write( "now, we multiply and simplify\r
\n" ); document.write( "\n" ); document.write( "i^2+i = 5i+10-5\r
\n" ); document.write( "\n" ); document.write( "regroup and set equal to 0\r
\n" ); document.write( "\n" ); document.write( "i^2-4i-5=0\r
\n" ); document.write( "\n" ); document.write( "factor this expression into\r
\n" ); document.write( "\n" ); document.write( "(i-5)*(i+1) = 0\r
\n" ); document.write( "\n" ); document.write( "therefore i=5 or -1, we choose i=5 since our integers are to be positive\r
\n" ); document.write( "\n" ); document.write( "and our solution is the integers 5, 6, 7\r
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