document.write( "Question 798748: Hi. I am supposed to create a 3rd degree polynomial with the roots of -4, 2+i, 2-i. I know I need to change it to show (x+4)(x-(2+i))(x-(2-i))and foil then distribute, but everytime I get confused on if i doing so correctly. \n" ); document.write( "
Algebra.Com's Answer #482352 by MathLover1(20849)\"\" \"About 
You can put this solution on YOUR website!

\n" ); document.write( "\"%28x%2B4%29%28x-%282%2Bi%29%29%28x-%282-i%29%29\".....good start, now just multiply\r
\n" ); document.write( "\n" ); document.write( "\"%28x%2B4%29%28x-2-i%29%28x-2%2Bi%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"%28x%5E2-2x-xi%2B4x-8-4i%29%28x-2%2Bi%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"%28x%5E2%2B2x-xi-4i-8%29%28x-2%2Bi%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"x%5E3%2B2x%5E2-x%5E2i-4xi-8x-2x%5E2-2x%2B2xi%2B8i%2B16%2Bx%5E2i%2B2xi%2Bxi%5E2-4i%5E2-8i+\"\r
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\n" ); document.write( "\n" ); document.write( "\"x%5E3-10x+%2B16+%2Bx%28-1%29+-4%28-1%29++\"....recall that \"i%5E2=-1\"\r
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\n" ); document.write( "\n" ); document.write( "\"x%5E3-10x+%2B16-x+%2B4++\"\r
\n" ); document.write( "\n" ); document.write( "\"x%5E3-11x+%2B20++\".........your answer\r
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\n" ); document.write( "\n" ); document.write( "\"+graph%28+600%2C+600%2C+-10%2C+10%2C+-10%2C+30%2C+x%5E3-11x+%2B20+%29+\" \r
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