P(x)=-0.2x^2+115x-7200

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Solution for P(x)=-0.2x^2+115x-7200 equation: 


Simplifying
P(x) = -0.2x2 + 115x + -7200

Multiply P * x
xP = -0.2x2 + 115x + -7200

Reorder the terms:
xP = -7200 + 115x + -0.2x2

Solving
xP = -7200 + 115x + -0.2x2

Solving for variable 'x'.

Reorder the terms:
7200 + -115x + xP + 0.2x2 = -7200 + 115x + -0.2x2 + 7200 + -115x + 0.2x2

Reorder the terms:
7200 + -115x + xP + 0.2x2 = -7200 + 7200 + 115x + -115x + -0.2x2 + 0.2x2

Combine like terms: -7200 + 7200 = 0
7200 + -115x + xP + 0.2x2 = 0 + 115x + -115x + -0.2x2 + 0.2x2
7200 + -115x + xP + 0.2x2 = 115x + -115x + -0.2x2 + 0.2x2

Combine like terms: 115x + -115x = 0
7200 + -115x + xP + 0.2x2 = 0 + -0.2x2 + 0.2x2
7200 + -115x + xP + 0.2x2 = -0.2x2 + 0.2x2

Combine like terms: -0.2x2 + 0.2x2 = 0.0
7200 + -115x + xP + 0.2x2 = 0.0

The solution to this equation could not be determined.

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