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Simplifying
25k2 = 64
Solving
25k2 = 64
Solving for variable 'k'.
Move all terms containing k to the left, all other terms to the right.
Divide each side by '25'.
k2 = 2.56
Simplifying
k2 = 2.56
Take the square root of each side:
k = {-1.6, 1.6}
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