4(x)=2x-x^2

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


Simplifying
4(x) = 2x + -1x2

Solving
4x = 2x + -1x2

Solving for variable 'x'.

Combine like terms: 4x + -2x = 2x
2x + x2 = 2x + -1x2 + -2x + x2

Reorder the terms:
2x + x2 = 2x + -2x + -1x2 + x2

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

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

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


Subproblem 1
Set the factor 'x' equal to zero and attempt to solve:

Simplifying
x = 0

Solving
x = 0

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

Simplifying
x = 0

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

Simplifying
2 + x = 0

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

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

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

Simplifying
x = -2
Solution
x = {0, -2}

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