(2x*x)-25=0

Solution for (2x*x)-25=0 equation:

Simplifying
(2x * x) + -25 = 0

Multiply x * x
(2x2) + -25 = 0

Reorder the terms:
-25 + (2x2) = 0

Solving
-25 + (2x2) = 0

Solving for variable 'x'.

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

Add '25' to each side of the equation.
-25 + 25 + (2x2) = 0 + 25

Combine like terms: -25 + 25 = 0
0 + (2x2) = 0 + 25
(2x2) = 0 + 25

Combine like terms: 0 + 25 = 25
(2x2) = 25

Divide each side by '2'.
x2 = 12.5

Simplifying
x2 = 12.5

Take the square root of each side:
x = {-3.535533906, 3.535533906}