2x^2-345=3456

Solution for 2x^2-345=3456 equation:

Simplifying
2x2 + -345 = 3456

Reorder the terms:
-345 + 2x2 = 3456

Solving
-345 + 2x2 = 3456

Solving for variable 'x'.

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

Add '345' to each side of the equation.
-345 + 345 + 2x2 = 3456 + 345

Combine like terms: -345 + 345 = 0
0 + 2x2 = 3456 + 345
2x2 = 3456 + 345

Combine like terms: 3456 + 345 = 3801
2x2 = 3801

Divide each side by '2'.
x2 = 1900.5

Simplifying
x2 = 1900.5

Take the square root of each side:
x = {-43.594724451, 43.594724451}