document.write( "Question 1168460: What should be the value of k in 2x^4-5x^2+k so that x-5 is a zero?\r
\n" ); document.write( "\n" ); document.write( "I kinda don't know how to solve this one may I please ask for your assistance, I would be very happy if you could help me out \n" ); document.write( "
Algebra.Com's Answer #793041 by ikleyn(52781)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "                    In a very short form\r
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\n" ); document.write( "\n" ); document.write( "For this problem,  and for many other similar problems,  the method of solution is\r
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\n" ); document.write( "\n" ); document.write( "to substitute the given value of the root into the polynomial and to equate the obtained expression to zero\r
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\n" ); document.write( "\n" ); document.write( "        ( because it is the root  (!) ).\r
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\n" ); document.write( "\n" ); document.write( "                    MEMORIZE this method (!)\r
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