k*2k=6400

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Solution for k*2k=6400 equation: 


Simplifying
k * 2k = 6400

Reorder the terms for easier multiplication:
2k * k = 6400

Multiply k * k
2k2 = 6400

Solving
2k2 = 6400

Solving for variable 'k'.

Move all terms containing k to the left, all other terms to the right.

Divide each side by '2'.
k2 = 3200

Simplifying
k2 = 3200

Take the square root of each side:
k = {-56.568542495, 56.568542495}

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