document.write( "Question 387560: Find real numbers a and b such that:
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Algebra.Com's Answer #273997 by Jk22(389)\"\" \"About 
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(a+2i)(1+bi)=a-2b+i(2+ab)=17-19i
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\n" ); document.write( "a-2b=17, 2+ab=-19, ab=-21, 21=3*7, try
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\n" ); document.write( "a b---: a-2b
\n" ); document.write( "-3 7--:-3-14=-17
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\n" ); document.write( "the solution is a=-3, b=7
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