Question

find find K if x = 2 X + K has x -1 is a factor

Answer 1

The factor is x-1(Given)

so x-1=0

x=1.

x=2x+k

1=2(1)+k

1=2+k

k= -1.

Therefore the value of k= -1.

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Answer 2

hey dear your answer is as follow:-
x=2x+k
x-1=0
x=1
x=2x+k
1=2(1)+k
1=2+k
1-2=k
-1=k
hope it helps you!!
thanks