document.write( "Question 595213: For i =square root −1, if 3i(2 + 5i) = x + 6i,then x = ?
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document.write( "A. –15
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document.write( "B. 5
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document.write( "C. 5i
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document.write( "D. 15i
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document.write( "E. 27i \n" );
document.write( "
Algebra.Com's Answer #377033 by jim_thompson5910(35256)![]() ![]() ![]() You can put this solution on YOUR website! 3i(2 + 5i) = x + 6i\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "6i + 15i^2 = x + 6i\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "6i + 15(-1) = x + 6i\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "6i - 15 = x + 6i\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "- 15 = x\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x = -15\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "So the answer is choice A \n" ); document.write( " |