220=12x(x)

Solution for 220=12x(x) equation:

Simplifying
220 = 12x(x)

Multiply x * x
220 = 12x2

Solving
220 = 12x2

Solving for variable 'x'.

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

Add '-12x2' to each side of the equation.
220 + -12x2 = 12x2 + -12x2

Combine like terms: 12x2 + -12x2 = 0
220 + -12x2 = 0

Add '-220' to each side of the equation.
220 + -220 + -12x2 = 0 + -220

Combine like terms: 220 + -220 = 0
0 + -12x2 = 0 + -220
-12x2 = 0 + -220

Combine like terms: 0 + -220 = -220
-12x2 = -220

Divide each side by '-12'.
x2 = 18.33333333

Simplifying
x2 = 18.33333333

Take the square root of each side:
x = {-4.281744192, 4.281744192}