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document.write( "Put parentheses around all the terms:\r\n" );
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document.write( "The LCD is 15 so multiply every term by 15\r\n" );
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document.write( "On the first term the 5 cancels into the 15 giving 3\r\n" );
document.write( "On the second term the 3 cancels into the 15 giving 5\r\n" );
document.write( "On the right we get -60\r\n" );
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document.write( "Edwin