P(x)=5x^3-20x^2-5x+20

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Solution for P(x)=5x^3-20x^2-5x+20 equation: 


Simplifying
P(x) = 5x3 + -20x2 + -5x + 20

Multiply P * x
xP = 5x3 + -20x2 + -5x + 20

Reorder the terms:
xP = 20 + -5x + -20x2 + 5x3

Solving
xP = 20 + -5x + -20x2 + 5x3

Solving for variable 'x'.

Reorder the terms:
-20 + 5x + xP + 20x2 + -5x3 = 20 + -5x + -20x2 + 5x3 + -20 + 5x + 20x2 + -5x3

Reorder the terms:
-20 + 5x + xP + 20x2 + -5x3 = 20 + -20 + -5x + 5x + -20x2 + 20x2 + 5x3 + -5x3

Combine like terms: 20 + -20 = 0
-20 + 5x + xP + 20x2 + -5x3 = 0 + -5x + 5x + -20x2 + 20x2 + 5x3 + -5x3
-20 + 5x + xP + 20x2 + -5x3 = -5x + 5x + -20x2 + 20x2 + 5x3 + -5x3

Combine like terms: -5x + 5x = 0
-20 + 5x + xP + 20x2 + -5x3 = 0 + -20x2 + 20x2 + 5x3 + -5x3
-20 + 5x + xP + 20x2 + -5x3 = -20x2 + 20x2 + 5x3 + -5x3

Combine like terms: -20x2 + 20x2 = 0
-20 + 5x + xP + 20x2 + -5x3 = 0 + 5x3 + -5x3
-20 + 5x + xP + 20x2 + -5x3 = 5x3 + -5x3

Combine like terms: 5x3 + -5x3 = 0
-20 + 5x + xP + 20x2 + -5x3 = 0

The solution to this equation could not be determined.

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