P(x)=-x^3+9x^2+100

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Solution for P(x)=-x^3+9x^2+100 equation: 


Simplifying
P(x) = -1x3 + 9x2 + 100

Multiply P * x
xP = -1x3 + 9x2 + 100

Reorder the terms:
xP = 100 + 9x2 + -1x3

Solving
xP = 100 + 9x2 + -1x3

Solving for variable 'x'.

Reorder the terms:
-100 + xP + -9x2 + x3 = 100 + 9x2 + -1x3 + -100 + -9x2 + x3

Reorder the terms:
-100 + xP + -9x2 + x3 = 100 + -100 + 9x2 + -9x2 + -1x3 + x3

Combine like terms: 100 + -100 = 0
-100 + xP + -9x2 + x3 = 0 + 9x2 + -9x2 + -1x3 + x3
-100 + xP + -9x2 + x3 = 9x2 + -9x2 + -1x3 + x3

Combine like terms: 9x2 + -9x2 = 0
-100 + xP + -9x2 + x3 = 0 + -1x3 + x3
-100 + xP + -9x2 + x3 = -1x3 + x3

Combine like terms: -1x3 + x3 = 0
-100 + xP + -9x2 + x3 = 0

The solution to this equation could not be determined.

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