anyone pls give answer
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Answer:
k= -11
Step-by-step explanation:
Given that, x=3
3x²+(k-1)x+9=0
3(3)²+(k-1)3+9=0
3(9)+3k-3+9=0
27+3k+6=0
3k+33=0
3k= -33
k= -33/3
k= -11
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