Math, asked by NISCHYAk23, 11 months ago

3x-21 is a factor of 2x²+k

Answers

Answered by aakash1707

1

Answer:

no because the value of k is 1

Answered by gurjan12singh12

2

Step-by-step explanation:

3x-21=0

x=7

2(7)^2+k=0

49×2+k=0

k=-98

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