document.write( "Question 552755: Simplify: (5i)(-4i)-8(-1+8i) \n" ); document.write( "
Algebra.Com's Answer #360500 by jim_thompson5910(35256)\"\" \"About 
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(5i)(-4i)-8(-1+8i)\r
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\n" ); document.write( "\n" ); document.write( "-20i^2+8-64i\r
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\n" ); document.write( "\n" ); document.write( "-20(-1)+8-64i\r
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\n" ); document.write( "\n" ); document.write( "20+8-64i\r
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\n" ); document.write( "\n" ); document.write( "28-64i\r
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\n" ); document.write( "\n" ); document.write( "So (5i)(-4i)-8(-1+8i) = 28-64i\r
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\n" ); document.write( "\n" ); document.write( "If you need more help, email me at jim_thompson5910@hotmail.com\r
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