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Simplifying
81k2 + -25m2 = 0
Solving
81k2 + -25m2 = 0
Solving for variable 'k'.
Move all terms containing k to the left, all other terms to the right.
Add '25m2' to each side of the equation.
81k2 + -25m2 + 25m2 = 0 + 25m2
Combine like terms: -25m2 + 25m2 = 0
81k2 + 0 = 0 + 25m2
81k2 = 0 + 25m2
Remove the zero:
81k2 = 25m2
Divide each side by '81'.
k2 = 0.3086419753m2
Simplifying
k2 = 0.3086419753m2
Take the square root of each side:
k = {-0.555555556m, 0.555555556m}
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