k^2+7=9

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Solution for k^2+7=9 equation: 


Simplifying
k2 + 7 = 9

Reorder the terms:
7 + k2 = 9

Solving
7 + k2 = 9

Solving for variable 'k'.

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

Add '-7' to each side of the equation.
7 + -7 + k2 = 9 + -7

Combine like terms: 7 + -7 = 0
0 + k2 = 9 + -7
k2 = 9 + -7

Combine like terms: 9 + -7 = 2
k2 = 2

Simplifying
k2 = 2

Take the square root of each side:
k = {-1.414213562, 1.414213562}

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