document.write( "Question 33163: Multiply 11-7i by -3+4i \n" ); document.write( "
Algebra.Com's Answer #19571 by sarah_adam(201)\"\" \"About 
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(11-7i)(-3+4i)
\n" ); document.write( "-33 + 21i + 44i - 28i^2
\n" ); document.write( "but i^2 = -1
\n" ); document.write( "-33 + 65i -28(-1)
\n" ); document.write( "-33 + 65i +28
\n" ); document.write( "65i - 5
\n" ); document.write( "
\n" );