document.write( "Question 57996: multiply and simplify (5+4i)(3-7i)
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document.write( "15-35i+12i+28
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document.write( "43-23i \n" );
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Algebra.Com's Answer #39637 by rcmcc(152)![]() ![]() You can put this solution on YOUR website! using the foil method multiply out the question the first of term a to the two terms in b, and the second term in a by the 2 terms in b.\r \n" ); document.write( "\n" ); document.write( "so you get\r \n" ); document.write( "\n" ); document.write( "(5)(3)+(5)(-7i)+(4i)(3)+(4i)(7i) \n" ); document.write( "or \n" ); document.write( "15-35i+12i+28i^2\r \n" ); document.write( "\n" ); document.write( "combine like terms\r \n" ); document.write( "\n" ); document.write( "28i^2-(23i)+15 \n" ); document.write( " |