36n^2-84+49=0

Solution for 36n^2-84+49=0 equation:

Simplifying
36n2 + -84 + 49 = 0

Reorder the terms:
-84 + 49 + 36n2 = 0

Combine like terms: -84 + 49 = -35
-35 + 36n2 = 0

Solving
-35 + 36n2 = 0

Solving for variable 'n'.

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

Add '35' to each side of the equation.
-35 + 35 + 36n2 = 0 + 35

Combine like terms: -35 + 35 = 0
0 + 36n2 = 0 + 35
36n2 = 0 + 35

Combine like terms: 0 + 35 = 35
36n2 = 35

Divide each side by '36'.
n2 = 0.9722222222

Simplifying
n2 = 0.9722222222

Take the square root of each side:
n = {-0.986013297, 0.986013297}