document.write( "Question 211379: if 6 is added to a number and then subtracted from the same number, the product of the sum and the difference is 189. What is the number?
\n" ); document.write( "It's not 15, please show me how to get the answer. Thank YOu.
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Algebra.Com's Answer #159746 by rapaljer(4671)\"\" \"About 
You can put this solution on YOUR website!
I agree that 15 is a correct answer. However, since you ended up solving this like a quadratic equation (you did, didn't you???), there will be TWO solutions:
\n" ); document.write( "x=15 and x=-15.\r
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\n" ); document.write( "\n" ); document.write( "R^2
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