P(x)=0.4x^2+56x-13

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Solution for P(x)=0.4x^2+56x-13 equation: 


Simplifying
P(x) = 0.4x2 + 56x + -13

Multiply P * x
xP = 0.4x2 + 56x + -13

Reorder the terms:
xP = -13 + 56x + 0.4x2

Solving
xP = -13 + 56x + 0.4x2

Solving for variable 'x'.

Reorder the terms:
13 + -56x + xP + -0.4x2 = -13 + 56x + 0.4x2 + 13 + -56x + -0.4x2

Reorder the terms:
13 + -56x + xP + -0.4x2 = -13 + 13 + 56x + -56x + 0.4x2 + -0.4x2

Combine like terms: -13 + 13 = 0
13 + -56x + xP + -0.4x2 = 0 + 56x + -56x + 0.4x2 + -0.4x2
13 + -56x + xP + -0.4x2 = 56x + -56x + 0.4x2 + -0.4x2

Combine like terms: 56x + -56x = 0
13 + -56x + xP + -0.4x2 = 0 + 0.4x2 + -0.4x2
13 + -56x + xP + -0.4x2 = 0.4x2 + -0.4x2

Combine like terms: 0.4x2 + -0.4x2 = 0.0
13 + -56x + xP + -0.4x2 = 0.0

The solution to this equation could not be determined.

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