F(x)=-x^4+4x^2

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


Simplifying
F(x) = -1x4 + 4x2

Multiply F * x
xF = -1x4 + 4x2

Reorder the terms:
xF = 4x2 + -1x4

Solving
xF = 4x2 + -1x4

Solving for variable 'x'.

Reorder the terms:
xF + -4x2 + x4 = 4x2 + -4x2 + -1x4 + x4

Combine like terms: 4x2 + -4x2 = 0
xF + -4x2 + x4 = 0 + -1x4 + x4
xF + -4x2 + x4 = -1x4 + x4

Combine like terms: -1x4 + x4 = 0
xF + -4x2 + x4 = 0

Factor out the Greatest Common Factor (GCF), 'x'.
x(F + -4x + x3) = 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 '(F + -4x + x3)' equal to zero and attempt to solve:

Simplifying
F + -4x + x3 = 0

Solving
F + -4x + x3 = 0

The solution to this equation could not be determined.

This subproblem is being ignored because a solution could not be determined.
Solution
x = {0}

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