P(x)=-0.25x^2+21.50x-120

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Solution for P(x)=-0.25x^2+21.50x-120 equation: 


Simplifying
P(x) = -0.25x2 + 21.50x + -120

Multiply P * x
xP = -0.25x2 + 21.50x + -120

Reorder the terms:
xP = -120 + 21.50x + -0.25x2

Solving
xP = -120 + 21.50x + -0.25x2

Solving for variable 'x'.

Reorder the terms:
120 + -21.50x + xP + 0.25x2 = -120 + 21.50x + -0.25x2 + 120 + -21.50x + 0.25x2

Reorder the terms:
120 + -21.50x + xP + 0.25x2 = -120 + 120 + 21.50x + -21.50x + -0.25x2 + 0.25x2

Combine like terms: -120 + 120 = 0
120 + -21.50x + xP + 0.25x2 = 0 + 21.50x + -21.50x + -0.25x2 + 0.25x2
120 + -21.50x + xP + 0.25x2 = 21.50x + -21.50x + -0.25x2 + 0.25x2

Combine like terms: 21.50x + -21.50x = 0.00
120 + -21.50x + xP + 0.25x2 = 0.00 + -0.25x2 + 0.25x2
120 + -21.50x + xP + 0.25x2 = -0.25x2 + 0.25x2

Combine like terms: -0.25x2 + 0.25x2 = 0.00
120 + -21.50x + xP + 0.25x2 = 0.00

The solution to this equation could not be determined.

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