4x^2-25=4

Solution for 4x^2-25=4 equation:

Simplifying
4x2 + -25 = 4

Reorder the terms:
-25 + 4x2 = 4

Solving
-25 + 4x2 = 4

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 + 4x2 = 4 + 25

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

Combine like terms: 4 + 25 = 29
4x2 = 29

Divide each side by '4'.
x2 = 7.25

Simplifying
x2 = 7.25

Take the square root of each side:
x = {-2.692582404, 2.692582404}