document.write( "Question 891710: Multiply and simplify: (5 − 2i)(4 + 7i).
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document.write( "Write the answer in the form a + bi, where a and b are real numbers.\r
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document.write( "I used FOIL and got the answer: (-14i^2)+27i+20
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document.write( "but every online calculator is telling me the answer is 34+27i
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document.write( "What is the correct answer? \n" );
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Algebra.Com's Answer #539964 by Tatiana_Stebko(1539)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "Use FOIL \n" ); document.write( " \n" ); document.write( "since \n" ); document.write( " \n" ); document.write( "Answer: |