60=4x(x)

Solution for 60=4x(x) equation:

Simplifying
60 = 4x(x)

Multiply x * x
60 = 4x2

Solving
60 = 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.
60 + -4x2 = 4x2 + -4x2

Combine like terms: 4x2 + -4x2 = 0
60 + -4x2 = 0

Add '-60' to each side of the equation.
60 + -60 + -4x2 = 0 + -60

Combine like terms: 60 + -60 = 0
0 + -4x2 = 0 + -60
-4x2 = 0 + -60

Combine like terms: 0 + -60 = -60
-4x2 = -60

Divide each side by '-4'.
x2 = 15

Simplifying
x2 = 15

Take the square root of each side:
x = {-3.872983346, 3.872983346}