25=4x(x)

Solution for 25=4x(x) equation:

Simplifying
25 = 4x(x)

Multiply x * x
25 = 4x2

Solving
25 = 4x2

Solving for variable 'x'.

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

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

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

Add '-25' to each side of the equation.
25 + -25 + -4x2 = 0 + -25

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

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

Divide each side by '-4'.
x2 = 6.25

Simplifying
x2 = 6.25

Take the square root of each side:
x = {-2.5, 2.5}