document.write( "Question 851006: What two numbers have a product that is twice their sum and have a difference of 2\r
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Algebra.Com's Answer #512594 by ramkikk66(644) $\"\"$ $\"About$

You can put this solution on YOUR website!

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document.write( "What two numbers have a product that is twice their sum and have a difference of 2\r\n" );
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document.write( "Solution:\r\n" );
document.write( "Let one number be x. Then the other is x + 2.\r\n" );
document.write( "Sum of the numbers = \r\n" );
document.write( "Product = \r\n" );
document.write( "Since product is twice the sum,\r\n" );
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document.write( "Solution below:\r\n" );
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document.write( "Solved by pluggable solver: SOLVE quadratic equation with variable
Quadratic equation  (in our case ) has the following solutons:\r\n" );
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document.write( "  For these solutions to exist, the discriminant  should not be a negative number.\r\n" );
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document.write( "  First, we need to compute the discriminant : .\r\n" );
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document.write( "  Discriminant d=20 is greater than zero. That means that there are two solutions: .\r\n" );
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document.write( "    Quadratic expression  can be factored:\r\n" );
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document.write( "  Again, the answer is: 3.23606797749979, -1.23606797749979.\n" );
document.write( "Here's your graph:\n" );
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document.write( "The 2 numbers are approximately  and highlight\r\n" );
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document.write( "Hope this helps :)\r\n" );
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