Question

if 3 is a solution of 3x^2-(k-1) x+18=0, then the value of k is​

Answer 1

Step-by-step explanation:

Just put 3 in the place of the x and solve the equation for the value of k

Answer 2

Answer

k=6

Step-by-step explanation:

3*3*3-k+1*3+18=0

27-k+3+18=0

27-k+21=0

6-k=0

-k=-6

k=6

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