3x^2-25-18=0

Solution for 3x^2-25-18=0 equation:

Simplifying
3x2 + -25 + -18 = 0

Reorder the terms:
-25 + -18 + 3x2 = 0

Combine like terms: -25 + -18 = -43
-43 + 3x2 = 0

Solving
-43 + 3x2 = 0

Solving for variable 'x'.

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

Add '43' to each side of the equation.
-43 + 43 + 3x2 = 0 + 43

Combine like terms: -43 + 43 = 0
0 + 3x2 = 0 + 43
3x2 = 0 + 43

Combine like terms: 0 + 43 = 43
3x2 = 43

Divide each side by '3'.
x2 = 14.33333333

Simplifying
x2 = 14.33333333

Take the square root of each side:
x = {-3.785938897, 3.785938897}