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Simplifying
2k2 = 4(1)(16)
Multiply 4 * 1
2k2 = 4 * 16
Multiply 4 * 16
2k2 = 64
Solving
2k2 = 64
Solving for variable 'k'.
Move all terms containing k to the left, all other terms to the right.
Divide each side by '2'.
k2 = 32
Simplifying
k2 = 32
Take the square root of each side:
k = {-5.656854249, 5.656854249}
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