2k^2-18=0

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Solution for 2k^2-18=0 equation: 


Simplifying
2k2 + -18 = 0

Reorder the terms:
-18 + 2k2 = 0

Solving
-18 + 2k2 = 0

Solving for variable 'k'.

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

Add '18' to each side of the equation.
-18 + 18 + 2k2 = 0 + 18

Combine like terms: -18 + 18 = 0
0 + 2k2 = 0 + 18
2k2 = 0 + 18

Combine like terms: 0 + 18 = 18
2k2 = 18

Divide each side by '2'.
k2 = 9

Simplifying
k2 = 9

Take the square root of each side:
k = {-3, 3}

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