(-3x-1)(-3x-1)=0

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Solution for (-3x-1)(-3x-1)=0 equation: 


Simplifying
(-3x + -1)(-3x + -1) = 0

Reorder the terms:
(-1 + -3x)(-3x + -1) = 0

Reorder the terms:
(-1 + -3x)(-1 + -3x) = 0

Multiply (-1 + -3x) * (-1 + -3x)
(-1(-1 + -3x) + -3x * (-1 + -3x)) = 0
((-1 * -1 + -3x * -1) + -3x * (-1 + -3x)) = 0
((1 + 3x) + -3x * (-1 + -3x)) = 0
(1 + 3x + (-1 * -3x + -3x * -3x)) = 0
(1 + 3x + (3x + 9x2)) = 0

Combine like terms: 3x + 3x = 6x
(1 + 6x + 9x2) = 0

Solving
1 + 6x + 9x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(1 + 3x)(1 + 3x) = 0


Subproblem 1
Set the factor '(1 + 3x)' equal to zero and attempt to solve:

Simplifying
1 + 3x = 0

Solving
1 + 3x = 0

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

Add '-1' to each side of the equation.
1 + -1 + 3x = 0 + -1

Combine like terms: 1 + -1 = 0
0 + 3x = 0 + -1
3x = 0 + -1

Combine like terms: 0 + -1 = -1
3x = -1

Divide each side by '3'.
x = -0.3333333333

Simplifying
x = -0.3333333333

Subproblem 2
Set the factor '(1 + 3x)' equal to zero and attempt to solve:

Simplifying
1 + 3x = 0

Solving
1 + 3x = 0

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

Add '-1' to each side of the equation.
1 + -1 + 3x = 0 + -1

Combine like terms: 1 + -1 = 0
0 + 3x = 0 + -1
3x = 0 + -1

Combine like terms: 0 + -1 = -1
3x = -1

Divide each side by '3'.
x = -0.3333333333

Simplifying
x = -0.3333333333
Solution
x = {-0.3333333333, -0.3333333333}

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