document.write( "Question 881194: Write (-5 + 8i) + (-5 − 8i) as a complex number in standard form. \n" ); document.write( "
Algebra.Com's Answer #532026 by jim_thompson5910(35256)\"\" \"About 
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(-5 + 8i) + (-5 - 8i)\r
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\n" ); document.write( "\n" ); document.write( "-5 + 8i - 5 - 8i\r
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\n" ); document.write( "\n" ); document.write( "(-5-5) + (8i - 8i)\r
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\n" ); document.write( "\n" ); document.write( "(-5-5) + (8 - 8)i\r
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\n" ); document.write( "\n" ); document.write( "-10 + 0i\r
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\n" ); document.write( "\n" ); document.write( "-10\r
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\n" ); document.write( "\n" ); document.write( "(-5 + 8i) + (-5 - 8i) = -10
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