document.write( "Question 202378: Find 4 consecutive even integers where the product of the two smaller numbers is 56 less than the product of the two larger numbers. \n" ); document.write( "
Algebra.Com's Answer #152603 by Theo(13342)\"\" \"About 
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smallest number is x
\n" ); document.write( "next larger number is x + 2
\n" ); document.write( "then x + 4
\n" ); document.write( "then x + 6
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\n" ); document.write( "they go up by 2 because they are even integers.
\n" ); document.write( "if they were odd integers they would still go up by 2.
\n" ); document.write( "your answer, in this case, however, should be an even integer.
\n" ); document.write( "-----
\n" ); document.write( "problem states that product of 2 smaller numbers = product of 2 larger numbers minus 56.
\n" ); document.write( "x * (x+2) = (x+4)*(x+6) - 56
\n" ); document.write( "expanding this makes it:
\n" ); document.write( "\"x%5E2+%2B+2%2Ax\" = \"x%5E2+%2B+10%2Ax+%2B+24+-+56\"
\n" ); document.write( "subtract \"x%5E2+%2B+2%2Ax\" from both sides of the equation to get:
\n" ); document.write( "0 = \"x%5E2+%2B+10%2Ax+%2B+24+-+56+-+x%5E2+-+2%2Ax\"
\n" ); document.write( "which becomes:
\n" ); document.write( "0 = \"8%2Ax+%2B+24+-+56\"
\n" ); document.write( "add 56 and subtract 24 from both sides of the equation to get:
\n" ); document.write( "\"56+-+24+=+8%2Ax\"
\n" ); document.write( "simplify to get:
\n" ); document.write( "\"32+=+8%2Ax\"
\n" ); document.write( "divide both sides of the equation by 8 to get:
\n" ); document.write( "\"x+=+4\"
\n" ); document.write( "-----
\n" ); document.write( "smallest number is 4.
\n" ); document.write( "next largest number is 6
\n" ); document.write( "then 8
\n" ); document.write( "then 10
\n" ); document.write( "-----
\n" ); document.write( "4*6 = 24
\n" ); document.write( "8*10 = 80 - 56 = 24
\n" ); document.write( "product of the smallest numbers = product of the largest numbers - 56 so your answer is good.
\n" ); document.write( "answer is:
\n" ); document.write( "the 4 consecutive even numbers are: 4,6,8,10
\n" ); document.write( "-----
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