7n^2-77=0

Solution for 7n^2-77=0 equation:

Simplifying
7n2 + -77 = 0

Reorder the terms:
-77 + 7n2 = 0

Solving
-77 + 7n2 = 0

Solving for variable 'n'.

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

Add '77' to each side of the equation.
-77 + 77 + 7n2 = 0 + 77

Combine like terms: -77 + 77 = 0
0 + 7n2 = 0 + 77
7n2 = 0 + 77

Combine like terms: 0 + 77 = 77
7n2 = 77

Divide each side by '7'.
n2 = 11

Simplifying
n2 = 11

Take the square root of each side:
n = {-3.31662479, 3.31662479}