3x(2x+1)-(2x+1)=0

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Solution for 3x(2x+1)-(2x+1)=0 equation: 


Simplifying
3x(2x + 1) + -1(2x + 1) = 0

Reorder the terms:
3x(1 + 2x) + -1(2x + 1) = 0
(1 * 3x + 2x * 3x) + -1(2x + 1) = 0
(3x + 6x2) + -1(2x + 1) = 0

Reorder the terms:
3x + 6x2 + -1(1 + 2x) = 0
3x + 6x2 + (1 * -1 + 2x * -1) = 0
3x + 6x2 + (-1 + -2x) = 0

Reorder the terms:
-1 + 3x + -2x + 6x2 = 0

Combine like terms: 3x + -2x = 1x
-1 + 1x + 6x2 = 0

Solving
-1 + 1x + 6x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-1 + -2x)(1 + -3x) = 0


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

Simplifying
-1 + -2x = 0

Solving
-1 + -2x = 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 + -2x = 0 + 1

Combine like terms: -1 + 1 = 0
0 + -2x = 0 + 1
-2x = 0 + 1

Combine like terms: 0 + 1 = 1
-2x = 1

Divide each side by '-2'.
x = -0.5

Simplifying
x = -0.5

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 = {-0.5, 0.3333333333}

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