document.write( "Question 839284: The Product of two numbers is 2, and one of the numbers is 4 more than the other. Find th numbers using the Quadratic Formula. \n" ); document.write( "
Algebra.Com's Answer #805939 by CubeyThePenguin(3113)\"\" \"About 
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xy = 2
\n" ); document.write( "x = y + 4\r
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\n" ); document.write( "\n" ); document.write( "Substitute the second equation into the first equation.\r
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\n" ); document.write( "\n" ); document.write( "(y + 4)(y) = 2
\n" ); document.write( "y^2 + 4y - 2 = 0\r
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\n" ); document.write( "\n" ); document.write( "y = (-4 +- sqrt(16 - 4(1)(-2))/(2)
\n" ); document.write( "= (-4 +- sqrt(24))/(2)
\n" ); document.write( "= (-4 +- 2sqrt(6))/(2)
\n" ); document.write( "= -2 +- sqrt(6)
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