document.write( "Question 391733: Ok so i've done this problem at least 20 times and i don't know what i am doing wrong! The work seems to be right, but every time that i have done it, it does not check out properly. Please help!\r
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document.write( "Question: If the square of a positive number is decreased by twice the number the result is 15. Find the number.\r
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document.write( "Thank you! \n" );
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Algebra.Com's Answer #277912 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! If the square of a positive number is decreased by twice the number the result is 15. Find the number. \n" ); document.write( "-------------- \n" ); document.write( "Equation: \n" ); document.write( "x^2-2x = 15 \n" ); document.write( "--- \n" ); document.write( "x^2-2x-15 = 0 \n" ); document.write( "Factor: \n" ); document.write( "(x-5)(x+3) = 0 \n" ); document.write( "--- \n" ); document.write( "Positive solution: \n" ); document.write( "x = 5 \n" ); document.write( "==================== \n" ); document.write( "Check: \n" ); document.write( "5^2-2*5 = 15 \n" ); document.write( "25-10 = 15 \n" ); document.write( "15 = 15 \n" ); document.write( "==================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "--- \n" ); document.write( " |