2k^2+9=209

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Solution for 2k^2+9=209 equation:


Simplifying
2k2 + 9 = 209

Reorder the terms:
9 + 2k2 = 209

Solving
9 + 2k2 = 209

Solving for variable 'k'.

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

Add '-9' to each side of the equation.
9 + -9 + 2k2 = 209 + -9

Combine like terms: 9 + -9 = 0
0 + 2k2 = 209 + -9
2k2 = 209 + -9

Combine like terms: 209 + -9 = 200
2k2 = 200

Divide each side by '2'.
k2 = 100

Simplifying
k2 = 100

Take the square root of each side:
k = {-10, 10}

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