4x+4+4x-4=3(x^2-1)

Solution for 4x+4+4x-4=3(x^2-1) equation:

Simplifying
4x + 4 + 4x + -4 = 3(x2 + -1)

Reorder the terms:
4 + -4 + 4x + 4x = 3(x2 + -1)

Combine like terms: 4 + -4 = 0
0 + 4x + 4x = 3(x2 + -1)
4x + 4x = 3(x2 + -1)

Combine like terms: 4x + 4x = 8x
8x = 3(x2 + -1)

Reorder the terms:
8x = 3(-1 + x2)
8x = (-1 * 3 + x2 * 3)
8x = (-3 + 3x2)

Solving
8x = -3 + 3x2

Solving for variable 'x'.

Reorder the terms:
3 + 8x + -3x2 = -3 + 3x2 + 3 + -3x2

Reorder the terms:
3 + 8x + -3x2 = -3 + 3 + 3x2 + -3x2

Combine like terms: -3 + 3 = 0
3 + 8x + -3x2 = 0 + 3x2 + -3x2
3 + 8x + -3x2 = 3x2 + -3x2

Combine like terms: 3x2 + -3x2 = 0
3 + 8x + -3x2 = 0

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

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

Simplifying
3 + -1x = 0

Solving
3 + -1x = 0

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

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

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

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

Divide each side by '-1'.
x = 3

Simplifying
x = 3
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 = {3, -0.3333333333}