document.write( "Question 365276: Find an equation that has the solutions x=+-2i \n" ); document.write( "

Algebra.Com's Answer #260411 by robertb(5830) $\"\"$ $\"About$

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The polynomial of least degree that would have i and -i as roots are $\"%28x-i%29%28x%2Bi%29+=+x%5E2+-+i%5E2+=+x%5E2%2B+1+=+0\"$ . $\"x%5E2%2B1+=+0\"$ is the answer. ( Note that ANY multiple of this equation would also have i and-i as roots.) \n" ); document.write( "

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