9x^2-19=0

Solution for 9x^2-19=0 equation:

Simplifying
9x2 + -19 = 0

Reorder the terms:
-19 + 9x2 = 0

Solving
-19 + 9x2 = 0

Solving for variable 'x'.

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

Add '19' to each side of the equation.
-19 + 19 + 9x2 = 0 + 19

Combine like terms: -19 + 19 = 0
0 + 9x2 = 0 + 19
9x2 = 0 + 19

Combine like terms: 0 + 19 = 19
9x2 = 19

Divide each side by '9'.
x2 = 2.111111111

Simplifying
x2 = 2.111111111

Take the square root of each side:
x = {-1.452966314, 1.452966314}