6x(x+1)-3(x+1)=

Solution for 6x(x+1)-3(x+1)= equation:

Simplifying
6x(x + 1) + -3(x + 1) = 0

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

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

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

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

Solving
-3 + 3x + 6x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '3'.
3(-1 + x + 2x2) = 0

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

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

Simplifying
-1 + -1x = 0

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

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

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

Divide each side by '-1'.
x = -1

Simplifying
x = -1
Subproblem 2
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
Solution
x = {-1, 0.5}