(5+n)2=

Solution for (5+n)2= equation:

Simplifying
(5 + n) * 2 = 0

Reorder the terms for easier multiplication:
2(5 + n) = 0
(5 * 2 + n * 2) = 0
(10 + 2n) = 0

Solving
10 + 2n = 0

Solving for variable 'n'.

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

Add '-10' to each side of the equation.
10 + -10 + 2n = 0 + -10

Combine like terms: 10 + -10 = 0
0 + 2n = 0 + -10
2n = 0 + -10

Combine like terms: 0 + -10 = -10
2n = -10

Divide each side by '2'.
n = -5

Simplifying
n = -5