2x^2-54=0

Solution for 2x^2-54=0 equation:

Simplifying
2x2 + -54 = 0

Reorder the terms:
-54 + 2x2 = 0

Solving
-54 + 2x2 = 0

Solving for variable 'x'.

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

Add '54' to each side of the equation.
-54 + 54 + 2x2 = 0 + 54

Combine like terms: -54 + 54 = 0
0 + 2x2 = 0 + 54
2x2 = 0 + 54

Combine like terms: 0 + 54 = 54
2x2 = 54

Divide each side by '2'.
x2 = 27

Simplifying
x2 = 27

Take the square root of each side:
x = {-5.196152423, 5.196152423}