document.write( "Question 313899: How do you solve this problem step by step?\r
\n" ); document.write( "\n" ); document.write( "For i = square root of -1, if 3i(2 + 5i)= x + 6i, then x = ?
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Algebra.Com's Answer #224435 by ankor@dixie-net.com(22740)\"\" \"About 
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3i(2 + 5i)= x + 6i,
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\n" ); document.write( "Multiply inside the brackets
\n" ); document.write( "6i + 15(i^2) = x + 6i
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\n" ); document.write( "We know i^2 = -1
\n" ); document.write( "6i + 15(-1) = x + 6i
\n" ); document.write( "6i - 15 = x + 6i
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\n" ); document.write( "Subtract 6i from both sides
\n" ); document.write( "-15 = x
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