document.write( "Question 1057502: Perform the indicated operations. State your answer in a+bi format.\r
\n" ); document.write( "\n" ); document.write( "a.) (2+i)- squrt negative 64.\r
\n" ); document.write( "\n" ); document.write( "b.) -4i^13+7i^6\r
\n" ); document.write( "\n" ); document.write( "c.) (4-i)(3+5i)\r
\n" ); document.write( "\n" ); document.write( "Mostly a&b but just in case c please. I just don't recall the proper way to state my answer in the format. The teacher is really strict on work and I don't have all the steps down.
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Algebra.Com's Answer #672554 by josmiceli(19441)\"\" \"About 
You can put this solution on YOUR website!
(a)
\n" ); document.write( "\"+%28+2+%2B+i+%29+-+sqrt%28-64%29+\"
\n" ); document.write( "\"+%28+2+%2B+i+%29+-+sqrt%2864%29%2Asqrt%28-1%29+\"
\n" ); document.write( "\"+%28+2+%2B+i+%29+-+8i+\"
\n" ); document.write( "\"+2+-+7i+\"
\n" ); document.write( "-----------------------
\n" ); document.write( "(b)
\n" ); document.write( "\"+-4%2Ai%5E13+%2B+7%2Ai%5E6+\"
\n" ); document.write( "( note that \"+i%5E2+=+-1+\" and \"+i%5E4+=+1+\" )
\n" ); document.write( "\"+-4%2A%28+i%5E4%29%5E3%2Ai+%2B+7%2A%28+i%5E4+%29%2Ai%5E2+\"
\n" ); document.write( "\"+-4%2A1%5E3%2Ai+%2B+7%2A1%2A%28-1%29+\"
\n" ); document.write( "\"+-4i+-+7+\"
\n" ); document.write( "\"+-7+-+4i+\"
\n" ); document.write( "--------------------
\n" ); document.write( "(c)
\n" ); document.write( "\"+%28+4+-+i+%29%2A%28+3+%2B+5i+%29+\"
\n" ); document.write( "\"+12+-+3i+%2B+20i+-+5%2Ai%5E2+\"
\n" ); document.write( "\"+12+%2B+17i+-+5%2A%28-1%29+\"
\n" ); document.write( "\"+12+%2B+5+%2B+17i+\"
\n" ); document.write( "\"+17+%2B+17i+\"
\n" ); document.write( "-------------------------
\n" ); document.write( "You might want a 2nd opinion on these
\n" ); document.write( "check my work
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