(n+3)2=0

Solution for (n+3)2=0 equation:

Simplifying
(n + 3) * 2 = 0

Reorder the terms:
(3 + n) * 2 = 0

Reorder the terms for easier multiplication:
2(3 + n) = 0
(3 * 2 + n * 2) = 0
(6 + 2n) = 0

Solving
6 + 2n = 0

Solving for variable 'n'.

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

Add '-6' to each side of the equation.
6 + -6 + 2n = 0 + -6

Combine like terms: 6 + -6 = 0
0 + 2n = 0 + -6
2n = 0 + -6

Combine like terms: 0 + -6 = -6
2n = -6

Divide each side by '2'.
n = -3

Simplifying
n = -3