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Simplifying
(0 + -1k)(0 + -1k) = 0
Remove the zero:
(-1k)(0 + -1k) = 0
Remove parenthesis around (-1k)
-1k(0 + -1k) = 0
Remove the zero:
-1k(-1k) = 0
Remove parenthesis around (-1k)
-1k * -1k = 0
Reorder the terms for easier multiplication:
-1 * -1k * k = 0
Multiply -1 * -1
1k * k = 0
Multiply k * k
1k2 = 0
Solving
1k2 = 0
Solving for variable 'k'.
Move all terms containing k to the left, all other terms to the right.
Divide each side by '1'.
k2 = 0
Simplifying
k2 = 0
Take the square root of each side:
k = {0}
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