In the given equation, $k$ is a positive constant. The product of the…

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\frac{5}{8} (5 x + 8) (x + 5 k + 8) (x - 5 k + 8) = 0

In the given equation,

k

is a positive constant. The product of the solutions to the equation is 64. What is the value of

k

6.4

32/5