document.write( "Question 884678: The product of Edna's age in two years and her age two years ago is 320. What is Edna's present age? \n" ); document.write( "
Algebra.Com's Answer #534553 by stanbon(75887)\"\" \"About 
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The product of Edna's age in two years and her age two years ago is 320. What is Edna's present age?
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\n" ); document.write( "Equation:
\n" ); document.write( "(E+2)(E-2) = 320
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\n" ); document.write( "E^2 -4 = 320
\n" ); document.write( "E^2 = 324
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\n" ); document.write( "Positive solution:
\n" ); document.write( "E = sqrt(324) = 18 yrs (Edna's age now)
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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