F(x)=x^4-x^2-20

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Solution for F(x)=x^4-x^2-20 equation: 


Simplifying
F(x) = x4 + -1x2 + -20

Multiply F * x
xF = x4 + -1x2 + -20

Reorder the terms:
xF = -20 + -1x2 + x4

Solving
xF = -20 + -1x2 + x4

Solving for variable 'x'.

Reorder the terms:
20 + xF + x2 + -1x4 = -20 + -1x2 + x4 + 20 + x2 + -1x4

Reorder the terms:
20 + xF + x2 + -1x4 = -20 + 20 + -1x2 + x2 + x4 + -1x4

Combine like terms: -20 + 20 = 0
20 + xF + x2 + -1x4 = 0 + -1x2 + x2 + x4 + -1x4
20 + xF + x2 + -1x4 = -1x2 + x2 + x4 + -1x4

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

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

The solution to this equation could not be determined.

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