2x^2+9=19

Solution for 2x^2+9=19 equation:

Simplifying
2x2 + 9 = 19

Reorder the terms:
9 + 2x2 = 19

Solving
9 + 2x2 = 19

Solving for variable 'x'.

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

Add '-9' to each side of the equation.
9 + -9 + 2x2 = 19 + -9

Combine like terms: 9 + -9 = 0
0 + 2x2 = 19 + -9
2x2 = 19 + -9

Combine like terms: 19 + -9 = 10
2x2 = 10

Divide each side by '2'.
x2 = 5

Simplifying
x2 = 5

Take the square root of each side:
x = {-2.236067978, 2.236067978}