9/16k^2-25

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Solution for 9/16k^2-25 equation: 


k in (-oo:+oo)

(9/16)*k^2-25 = 0

9/16*k^2 = 25 // : 9/16

k^2 = 400/9

k^2 = 400/9 // ^ 1/2

abs(k) = 20/3

k = 20/3 or k = -20/3

k in { 20/3, -20/3 }

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