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document.write( "Let the answer be A: \r\n" );
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document.write( "


\r\n" );
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document.write( "Then square both sides:\r\n" );
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document.write( "Let \r\n" );
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document.write( "


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document.write( "Then 

\r\n" );
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document.write( "Then square both sides of the equation for B:\r\n" );
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document.write( "


\r\n" );
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document.write( "Then 

\r\n" );
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document.write( "So we have the system of equations\r\n" );
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\r\n" );
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document.write( "Solve the system by substitution. [If you have trouble solving\r\n" );
document.write( "that system, tell me in the message form below and I'll get back\r\n" );
document.write( "to you by email.]\r\n" );
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document.write( "You get two real solutions and two imaginary solutions. However, \r\n" );
document.write( "since by definition, square root radicals always indicate only\r\n" );
document.write( "non-negative real numbers, both A and B are non-negative real\r\n" );
document.write( "numbers. So the only acceptable solution to the given problem \r\n" );
document.write( "is \r\n" );
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document.write( "A = 2 (B = 5/3).\r\n" );
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document.write( "Edwin
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