Question

If (3x – 21) is a factor of 2x2 + k , then the

value of k is -

49

98

-98

147​

Answer 1

Answer:

-98

Step-by-step explanation:

3x-21=0

x=7

then 2x^2+k=0

2(7)^2+k=0

2(49)+k=0

k= -98

Answer 2

Answer:

3x -21 or 2+k, k

Step-by-step explanation:

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