document.write( "Question 453363: (sub subject is Factoring)\r
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Algebra.Com's Answer #853401 by MathTherapy(10719)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "(sub subject is Factoring)\r\n" );
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document.write( "solve \"49a%5E2-56a%2B16=0\" \r\n" );
document.write( "please justify your answer thank you\r\n" );
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document.write( "Another WRONG answer by the other person. \r\n" );
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document.write( "\"49a%5E2+-+56a+%2B+16+=+0\" is in the form: \"%28a+-+b%29%5E2+=+0\", NOT \"%28a+%2B+b%29%5E2+=+0\", as the other person states.\r\n" );
document.write( "So, it should be \"%287a+-+4%29%5E2\", NOT\"%287a+%2B+4%29%5E2\".\r\n" );
document.write( "Therefore, we get: \"49a%5E2+-+56a+%2B+16+=+0\"\r\n" );
document.write( "                         \"%287a+-+4%29%5E2+=+0\"\r\n" );
document.write( "                      \"sqrt%28%287a+-+4%29%5E2%29+=+sqrt%280%29\" ----- Taking square root of both sides\r\n" );
document.write( "                          7a - 4 = 0\r\n" );
document.write( "                              7a = 4\r\n" );
document.write( "DOUBLE Roots/Solutions are located at \"highlight%28a+=+4%2F7%29\"
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