3(5+12x+9)=0

Solution for 3(5+12x+9)=0 equation:

Simplifying
3(5 + 12x + 9) = 0

Reorder the terms:
3(5 + 9 + 12x) = 0

Combine like terms: 5 + 9 = 14
3(14 + 12x) = 0
(14 * 3 + 12x * 3) = 0
(42 + 36x) = 0

Solving
42 + 36x = 0

Solving for variable 'x'.

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

Add '-42' to each side of the equation.
42 + -42 + 36x = 0 + -42

Combine like terms: 42 + -42 = 0
0 + 36x = 0 + -42
36x = 0 + -42

Combine like terms: 0 + -42 = -42
36x = -42

Divide each side by '36'.
x = -1.166666667

Simplifying
x = -1.166666667