2x^2-3=19

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

Simplifying
2x2 + -3 = 19

Reorder the terms:
-3 + 2x2 = 19

Solving
-3 + 2x2 = 19

Solving for variable 'x'.

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

Add '3' to each side of the equation.
-3 + 3 + 2x2 = 19 + 3

Combine like terms: -3 + 3 = 0
0 + 2x2 = 19 + 3
2x2 = 19 + 3

Combine like terms: 19 + 3 = 22
2x2 = 22

Divide each side by '2'.
x2 = 11

Simplifying
x2 = 11

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