P(x)=0.5x^2+10x-400

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Solution for P(x)=0.5x^2+10x-400 equation: 


Simplifying
P(x) = 0.5x2 + 10x + -400

Multiply P * x
xP = 0.5x2 + 10x + -400

Reorder the terms:
xP = -400 + 10x + 0.5x2

Solving
xP = -400 + 10x + 0.5x2

Solving for variable 'x'.

Reorder the terms:
400 + -10x + xP + -0.5x2 = -400 + 10x + 0.5x2 + 400 + -10x + -0.5x2

Reorder the terms:
400 + -10x + xP + -0.5x2 = -400 + 400 + 10x + -10x + 0.5x2 + -0.5x2

Combine like terms: -400 + 400 = 0
400 + -10x + xP + -0.5x2 = 0 + 10x + -10x + 0.5x2 + -0.5x2
400 + -10x + xP + -0.5x2 = 10x + -10x + 0.5x2 + -0.5x2

Combine like terms: 10x + -10x = 0
400 + -10x + xP + -0.5x2 = 0 + 0.5x2 + -0.5x2
400 + -10x + xP + -0.5x2 = 0.5x2 + -0.5x2

Combine like terms: 0.5x2 + -0.5x2 = 0.0
400 + -10x + xP + -0.5x2 = 0.0

The solution to this equation could not be determined.

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