3x^2-19=0

Solution for 3x^2-19=0 equation:

Simplifying
3x2 + -19 = 0

Reorder the terms:
-19 + 3x2 = 0

Solving
-19 + 3x2 = 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 + 3x2 = 0 + 19

Combine like terms: -19 + 19 = 0
0 + 3x2 = 0 + 19
3x2 = 0 + 19

Combine like terms: 0 + 19 = 19
3x2 = 19

Divide each side by '3'.
x2 = 6.333333333

Simplifying
x2 = 6.333333333

Take the square root of each side:
x = {-2.516611478, 2.516611478}