21n^2+19-22=0

Solution for 21n^2+19-22=0 equation:

Simplifying
21n2 + 19 + -22 = 0

Reorder the terms:
19 + -22 + 21n2 = 0

Combine like terms: 19 + -22 = -3
-3 + 21n2 = 0

Solving
-3 + 21n2 = 0

Solving for variable 'n'.

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

Add '3' to each side of the equation.
-3 + 3 + 21n2 = 0 + 3

Combine like terms: -3 + 3 = 0
0 + 21n2 = 0 + 3
21n2 = 0 + 3

Combine like terms: 0 + 3 = 3
21n2 = 3

Divide each side by '21'.
n2 = 0.1428571429

Simplifying
n2 = 0.1428571429

Take the square root of each side:
n = {-0.377964473, 0.377964473}