121-k^2=

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Solution for 121-k^2= equation: 


Simplifying
121 + -1k2 = 0

Solving
121 + -1k2 = 0

Solving for variable 'k'.

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

Add '-121' to each side of the equation.
121 + -121 + -1k2 = 0 + -121

Combine like terms: 121 + -121 = 0
0 + -1k2 = 0 + -121
-1k2 = 0 + -121

Combine like terms: 0 + -121 = -121
-1k2 = -121

Divide each side by '-1'.
k2 = 121

Simplifying
k2 = 121

Take the square root of each side:
k = {-11, 11}

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