F(x)=x^4-7x^3+13x^2+x-20

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Solution for F(x)=x^4-7x^3+13x^2+x-20 equation: 


Simplifying
F(x) = x4 + -7x3 + 13x2 + x + -20

Multiply F * x
xF = x4 + -7x3 + 13x2 + x + -20

Reorder the terms:
xF = -20 + x + 13x2 + -7x3 + x4

Solving
xF = -20 + x + 13x2 + -7x3 + x4

Solving for variable 'x'.

Reorder the terms:
20 + -1x + xF + -13x2 + 7x3 + -1x4 = -20 + x + 13x2 + -7x3 + x4 + 20 + -1x + -13x2 + 7x3 + -1x4

Reorder the terms:
20 + -1x + xF + -13x2 + 7x3 + -1x4 = -20 + 20 + x + -1x + 13x2 + -13x2 + -7x3 + 7x3 + x4 + -1x4

Combine like terms: -20 + 20 = 0
20 + -1x + xF + -13x2 + 7x3 + -1x4 = 0 + x + -1x + 13x2 + -13x2 + -7x3 + 7x3 + x4 + -1x4
20 + -1x + xF + -13x2 + 7x3 + -1x4 = x + -1x + 13x2 + -13x2 + -7x3 + 7x3 + x4 + -1x4

Combine like terms: x + -1x = 0
20 + -1x + xF + -13x2 + 7x3 + -1x4 = 0 + 13x2 + -13x2 + -7x3 + 7x3 + x4 + -1x4
20 + -1x + xF + -13x2 + 7x3 + -1x4 = 13x2 + -13x2 + -7x3 + 7x3 + x4 + -1x4

Combine like terms: 13x2 + -13x2 = 0
20 + -1x + xF + -13x2 + 7x3 + -1x4 = 0 + -7x3 + 7x3 + x4 + -1x4
20 + -1x + xF + -13x2 + 7x3 + -1x4 = -7x3 + 7x3 + x4 + -1x4

Combine like terms: -7x3 + 7x3 = 0
20 + -1x + xF + -13x2 + 7x3 + -1x4 = 0 + x4 + -1x4
20 + -1x + xF + -13x2 + 7x3 + -1x4 = x4 + -1x4

Combine like terms: x4 + -1x4 = 0
20 + -1x + xF + -13x2 + 7x3 + -1x4 = 0

The solution to this equation could not be determined.

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