document.write( "Question 17312: I need to Factor X^2 + 256 using complex numbers! Please help. \n" ); document.write( "

Algebra.Com's Answer #8355 by rapaljer(4671) $\"\"$ $\"About$

You can put this solution on YOUR website!
Notice first that 256 is a perfect square, since $\"16%5E2+=+256\"$ .
\n" ); document.write( "Second, remember from complex numbers that $\"i%5E2+=+-1\"$ . Using this you can write:
\n" ); document.write( " $\"x%5E2%2B+256=+s%5E2+-+256i%5E2\"$ , which is a difference of squares that factors.
\n" ); document.write( "(s-16i)(s+16i)\r
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\n" ); document.write( "\n" ); document.write( "R^2 at SCC \n" ); document.write( "

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