5x*5x-1=4

Solution for 5x*5x-1=4 equation:

Simplifying
5x * 5x + -1 = 4

Reorder the terms for easier multiplication:
5 * 5x * x + -1 = 4

Multiply 5 * 5
25x * x + -1 = 4

Multiply x * x
25x2 + -1 = 4

Reorder the terms:
-1 + 25x2 = 4

Solving
-1 + 25x2 = 4

Solving for variable 'x'.

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

Add '1' to each side of the equation.
-1 + 1 + 25x2 = 4 + 1

Combine like terms: -1 + 1 = 0
0 + 25x2 = 4 + 1
25x2 = 4 + 1

Combine like terms: 4 + 1 = 5
25x2 = 5

Divide each side by '25'.
x2 = 0.2

Simplifying
x2 = 0.2

Take the square root of each side:
x = {-0.447213596, 0.447213596}