n^2+9-30=

Solution for n^2+9-30= equation:

Simplifying
n2 + 9 + -30 = 0

Reorder the terms:
9 + -30 + n2 = 0

Combine like terms: 9 + -30 = -21
-21 + n2 = 0

Solving
-21 + n2 = 0

Solving for variable 'n'.

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

Add '21' to each side of the equation.
-21 + 21 + n2 = 0 + 21

Combine like terms: -21 + 21 = 0
0 + n2 = 0 + 21
n2 = 0 + 21

Combine like terms: 0 + 21 = 21
n2 = 21

Simplifying
n2 = 21

Take the square root of each side:
n = {-4.582575695, 4.582575695}