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» Answer: what is the value of X if x value is not there how will you FIND the k ?? Step-by-step EXPLANATION: x + 7k is 21 then find the value of k let x be 3 ( because value is not GIVEN that why i am doing like this don not copy this but this is the correct method ) 3+ 7 k =21 7k =21 - 3 7k= 18 k=18/ 7 answer

Answer»

Answer:

what is the value of X if x value is not there how will you FIND the k ??

Step-by-step EXPLANATION:

x + 7k is 21 then find the value of k

let x be 3 ( because value is not GIVEN that why i am doing like this don not copy this but this is the correct method )

3+ 7 k =21

7k =21 - 3

7k= 18

k=18/ 7 answer

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