Question

anyone pls give answer​

Answer 1

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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