Question

4. If x = 3 is a solution of the equation 3x² + (k-1)x+ 9 = 0 then k = ?
(a) 11
(b) -11
(c) 13
(d) -13​

Answer 1

Answer:

-11

Step-by-step explanation:

3(3*3)+(k-1)*3+9=0

27+3k-3+9=0

33+3k=0

k=-33/3=-11

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Answer 2

Answer:

have a great life ahead buddy

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