document.write( "Question 989426: Use complex numbers to factor 5x^2+35 completely.
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Algebra.Com's Answer #609754 by thesvw(77) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"5x%5E2+%2B+35+=0\"$
\n" ); document.write( "5 is a factor and lets ignore it.\r
\n" ); document.write( "\n" ); document.write( " $\"5%28x%5E2%2B7%29=0\"$
\n" ); document.write( " $\"x%5E2%2B7+=0\"$
\n" ); document.write( " $\"x%5E2+=+-7\"$ \r
\n" ); document.write( "\n" ); document.write( "you have learnt that $\"i%5E2+=+-1\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"x%5E2+=+7i%5E2\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"x\"$ equals plus or minus $\"sqrt%287%29%2Ai\"$ \n" ); document.write( "

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