document.write( "Question 1085962: For what real values of c is 9x^2 + 16x + c the square of a binomial? If you find more than one, then list your values in increasing order, separated by commas. \n" ); document.write( "
Algebra.Com's Answer #700073 by ikleyn(52781)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "\"9x%5E2+%2B+16x+%2B+c\" = \"9%2A%28x%5E2+%2B+%2816%2F9%29%2Ax+%2B+c%2F9%29\" = \"9%2A%28x%2B8%2F9%29%5E2\" + \"c%2F9\" - \"64%2F81%29\"  ===>\r\n" );
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document.write( "\"c%2F9\" = \"64%2F81\"  ====>  c = \"64%2F9\".\r\n" );
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document.write( "Check.  \"9x%5E2+%2B+16x+%2B+64%2F9\" = \"9%2A%28x%5E2+%2B+%2816%2F9%29%2Ax+%2B+64%2F81%29\" = \"9%2A%28x%2B8%2F9%29%5E2\" = \"%283x+%2B+8%2F3%29%5E2\".\r\n" );
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\n" ); document.write( "\n" ); document.write( "The solution by \"josgarithmetic\" is WRONG.\r
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