Question

If x=1 is a zero of the polynomial Fx)= x - 5x+k. then the value of k is​

Answer 1

Answer:

if x =1

F(1)=1-5(1)+k

=4+k=0

=k=-4

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Answer 2

Answer:

4

Step-by-step explanation:

x=1

f(x)=x-5x+k

f(1)=0

put x=1 in f(x)

1-5+k=0

-4+k=0

k=4