(x-2)(x+2x+4)=0

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Solution for (x-2)(x+2x+4)=0 equation: 


Simplifying
(x + -2)(x + 2x + 4) = 0

Reorder the terms:
(-2 + x)(x + 2x + 4) = 0

Reorder the terms:
(-2 + x)(4 + x + 2x) = 0

Combine like terms: x + 2x = 3x
(-2 + x)(4 + 3x) = 0

Multiply (-2 + x) * (4 + 3x)
(-2(4 + 3x) + x(4 + 3x)) = 0
((4 * -2 + 3x * -2) + x(4 + 3x)) = 0
((-8 + -6x) + x(4 + 3x)) = 0
(-8 + -6x + (4 * x + 3x * x)) = 0
(-8 + -6x + (4x + 3x2)) = 0

Combine like terms: -6x + 4x = -2x
(-8 + -2x + 3x2) = 0

Solving
-8 + -2x + 3x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-4 + -3x)(2 + -1x) = 0


Subproblem 1
Set the factor '(-4 + -3x)' equal to zero and attempt to solve:

Simplifying
-4 + -3x = 0

Solving
-4 + -3x = 0

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

Add '4' to each side of the equation.
-4 + 4 + -3x = 0 + 4

Combine like terms: -4 + 4 = 0
0 + -3x = 0 + 4
-3x = 0 + 4

Combine like terms: 0 + 4 = 4
-3x = 4

Divide each side by '-3'.
x = -1.333333333

Simplifying
x = -1.333333333

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

Simplifying
2 + -1x = 0

Solving
2 + -1x = 0

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

Add '-2' to each side of the equation.
2 + -2 + -1x = 0 + -2

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

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

Divide each side by '-1'.
x = 2

Simplifying
x = 2
Solution
x = {-1.333333333, 2}

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