document.write( "Question 671133: i=square root of -1 if 3i(2+5i)=x+6i, then x= \n" ); document.write( "
Algebra.Com's Answer #418544 by ReadingBoosters(3246)\"\" \"About 
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Distribute the 3i
\n" ); document.write( "3i(2) + 3i(5i) = x + 6i
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\n" ); document.write( "cross(6i) + 15i^2 - cross(6i) = x
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\n" ); document.write( "15i^2 = x
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\n" ); document.write( "x = 15\"sqrt%28-1%29%5E2\"
\n" ); document.write( "x = 15(-1)
\n" ); document.write( "\"highlight_green%28x=-15%29\"
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