document.write( "Question 680667: What is (2+i)(3-i) \n" ); document.write( "

Algebra.Com's Answer #422443 by ankor@dixie-net.com(22740) $\"\"$ $\"About$

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What is (2+i)(3-i)
\n" ); document.write( "FOIL
\n" ); document.write( "6 - 2i + 3i -i^2
\n" ); document.write( "Combine like terms, i^2 = -1, therefore
\n" ); document.write( "6 + i -(-1)
\n" ); document.write( "6 + i + 1
\n" ); document.write( "7 + i, is what it is \n" ); document.write( "

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