n^2+3-16=0

Solution for n^2+3-16=0 equation:

Simplifying
n2 + 3 + -16 = 0

Reorder the terms:
3 + -16 + n2 = 0

Combine like terms: 3 + -16 = -13
-13 + n2 = 0

Solving
-13 + n2 = 0

Solving for variable 'n'.

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

Add '13' to each side of the equation.
-13 + 13 + n2 = 0 + 13

Combine like terms: -13 + 13 = 0
0 + n2 = 0 + 13
n2 = 0 + 13

Combine like terms: 0 + 13 = 13
n2 = 13

Simplifying
n2 = 13

Take the square root of each side:
n = {-3.605551275, 3.605551275}