(k+2)2=289

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Solution for (k+2)2=289 equation:


Simplifying
(k + 2) * 2 = 289

Reorder the terms:
(2 + k) * 2 = 289

Reorder the terms for easier multiplication:
2(2 + k) = 289
(2 * 2 + k * 2) = 289
(4 + 2k) = 289

Solving
4 + 2k = 289

Solving for variable 'k'.

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

Add '-4' to each side of the equation.
4 + -4 + 2k = 289 + -4

Combine like terms: 4 + -4 = 0
0 + 2k = 289 + -4
2k = 289 + -4

Combine like terms: 289 + -4 = 285
2k = 285

Divide each side by '2'.
k = 142.5

Simplifying
k = 142.5

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