P(x)=-4x^2+56x-120

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Solution for P(x)=-4x^2+56x-120 equation: 


Simplifying
P(x) = -4x2 + 56x + -120

Multiply P * x
xP = -4x2 + 56x + -120

Reorder the terms:
xP = -120 + 56x + -4x2

Solving
xP = -120 + 56x + -4x2

Solving for variable 'x'.

Reorder the terms:
120 + -56x + xP + 4x2 = -120 + 56x + -4x2 + 120 + -56x + 4x2

Reorder the terms:
120 + -56x + xP + 4x2 = -120 + 120 + 56x + -56x + -4x2 + 4x2

Combine like terms: -120 + 120 = 0
120 + -56x + xP + 4x2 = 0 + 56x + -56x + -4x2 + 4x2
120 + -56x + xP + 4x2 = 56x + -56x + -4x2 + 4x2

Combine like terms: 56x + -56x = 0
120 + -56x + xP + 4x2 = 0 + -4x2 + 4x2
120 + -56x + xP + 4x2 = -4x2 + 4x2

Combine like terms: -4x2 + 4x2 = 0
120 + -56x + xP + 4x2 = 0

The solution to this equation could not be determined.

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