Find the value of k, if x-3 is a factor of x2-4x+k
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Answer:
Substitute x-3 in given equation
(x-3)2 - 4(x-3) + k = 0
2x-6-4x+12 + k = 0
-2x+6+k = 0
6+ k = 2x
k = 2x - 6
I hope it will help you.
Answered by
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x-3=0
x=3
x2-4x+k=0
(3)square-4 (3)+k=0
9-12+k=0
-3+k=0
k=3
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