document.write( "Question 607103: The product of my number and twice my number is 72. What is my number?
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document.write( "The answers given are: A)6 B)12 C)24 D)72\r
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document.write( "I must be setting this up wrong. I thought the Product of \"my number\" meant \"my number\" times itself. So I was setting up the problem as X^ + 2X = 72 \n" );
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Algebra.Com's Answer #382386 by nerdybill(7384)![]() ![]() You can put this solution on YOUR website! The product of my number and twice my number is 72. What is my number? \n" ); document.write( "The answers given are: A)6 B)12 C)24 D)72 \n" ); document.write( ". \n" ); document.write( "Let x = \"my number\" \n" ); document.write( "then \n" ); document.write( "x(2x) = 72 \n" ); document.write( "2x^2 = 72 \n" ); document.write( "x^2 = 36 \n" ); document.write( "x = 6 \n" ); document.write( " |