Question

fiiiiiinnnnnnnnnnnndddddddddddd

Answer 1

${5m}^{2} + 2m + k = 0$
$5 \times \frac{49}{25} - \frac{14}{5 }= - k$
$\frac{49}{5} - \frac{14}{5}$
$\frac{35}{5} = 7 = - k \\ k = - 7$