k*k+5=9

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Solution for k*k+5=9 equation: 


Simplifying
k * k + 5 = 9

Multiply k * k
k2 + 5 = 9

Reorder the terms:
5 + k2 = 9

Solving
5 + k2 = 9

Solving for variable 'k'.

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

Add '-5' to each side of the equation.
5 + -5 + k2 = 9 + -5

Combine like terms: 5 + -5 = 0
0 + k2 = 9 + -5
k2 = 9 + -5

Combine like terms: 9 + -5 = 4
k2 = 4

Simplifying
k2 = 4

Take the square root of each side:
k = {-2, 2}

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