document.write( "Question 917763: Simplify
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Algebra.Com's Answer #556802 by Edwin McCravy(20059)\"\" \"About 
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document.write( "All we need to know is that i2 = -1 and (-1)ħODD = -1\r\n" );
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document.write( "(-i)19 = (-1i)19 = (-1)19i19 = \r\n" );
document.write( "(-1)i19  = (-1)i18+1 = (-1)i18i1 =\r\n" );
document.write( "(-1)i2*9i = (-1)(i2)9 = (-1)(-1)9 =\r\n" );
document.write( "(-1)(-1)i = 1i = i\r\n" );
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document.write( "Edwin

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