k^2+11=21

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Solution for k^2+11=21 equation: 


Simplifying
k2 + 11 = 21

Reorder the terms:
11 + k2 = 21

Solving
11 + k2 = 21

Solving for variable 'k'.

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

Add '-11' to each side of the equation.
11 + -11 + k2 = 21 + -11

Combine like terms: 11 + -11 = 0
0 + k2 = 21 + -11
k2 = 21 + -11

Combine like terms: 21 + -11 = 10
k2 = 10

Simplifying
k2 = 10

Take the square root of each side:
k = {-3.16227766, 3.16227766}

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