If zero of polynomial x + 7k is 21 then find the value of k

1.	If zero of polynomial x + 7k is 21 then find the value of k
Answer» <html><body><p><strong>Answer:</strong></p><p>what is the value of <a href="https://interviewquestions.tuteehub.com/tag/x-746616" style="font-weight:bold;" target="_blank" title="Click to know more about X">X</a> if x value is not there how will you <a href="https://interviewquestions.tuteehub.com/tag/find-11616" style="font-weight:bold;" target="_blank" title="Click to know more about FIND">FIND</a> the k ??</p><p><strong>Step-by-step <a href="https://interviewquestions.tuteehub.com/tag/explanation-455162" style="font-weight:bold;" target="_blank" title="Click to know more about EXPLANATION">EXPLANATION</a>:</strong></p><p>x + 7k is 21 then find the value of k</p><p>let x be 3 ( because value is not <a href="https://interviewquestions.tuteehub.com/tag/given-473447" style="font-weight:bold;" target="_blank" title="Click to know more about GIVEN">GIVEN</a> that why i am doing like this don not copy this but this is the correct method )</p><p>3+ 7 k =21</p><p>7k =21 - 3</p><p>7k= 18 </p><p>k=18/ 7 answer</p><p></p></body></html>

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