10n^2+20-80=0

Solution for 10n^2+20-80=0 equation:

Simplifying
10n2 + 20 + -80 = 0

Reorder the terms:
20 + -80 + 10n2 = 0

Combine like terms: 20 + -80 = -60
-60 + 10n2 = 0

Solving
-60 + 10n2 = 0

Solving for variable 'n'.

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

Add '60' to each side of the equation.
-60 + 60 + 10n2 = 0 + 60

Combine like terms: -60 + 60 = 0
0 + 10n2 = 0 + 60
10n2 = 0 + 60

Combine like terms: 0 + 60 = 60
10n2 = 60

Divide each side by '10'.
n2 = 6

Simplifying
n2 = 6

Take the square root of each side:
n = {-2.449489743, 2.449489743}