40X^3-56x^2+5x-7=0

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Solution for 40X^3-56x^2+5x-7=0 equation: 


Simplifying
40X3 + -56x2 + 5x + -7 = 0

Reorder the terms:
-7 + 40X3 + 5x + -56x2 = 0

Solving
-7 + 40X3 + 5x + -56x2 = 0

Solving for variable 'X'.

Move all terms containing X to the left, all other terms to the right.

Add '7' to each side of the equation.
-7 + 40X3 + 5x + 7 + -56x2 = 0 + 7

Reorder the terms:
-7 + 7 + 40X3 + 5x + -56x2 = 0 + 7

Combine like terms: -7 + 7 = 0
0 + 40X3 + 5x + -56x2 = 0 + 7
40X3 + 5x + -56x2 = 0 + 7

Combine like terms: 0 + 7 = 7
40X3 + 5x + -56x2 = 7

Add '-5x' to each side of the equation.
40X3 + 5x + -5x + -56x2 = 7 + -5x

Combine like terms: 5x + -5x = 0
40X3 + 0 + -56x2 = 7 + -5x
40X3 + -56x2 = 7 + -5x

Add '56x2' to each side of the equation.
40X3 + -56x2 + 56x2 = 7 + -5x + 56x2

Combine like terms: -56x2 + 56x2 = 0
40X3 + 0 = 7 + -5x + 56x2
40X3 = 7 + -5x + 56x2

Divide each side by '40'.
X3 = 0.175 + -0.125x + 1.4x2

Simplifying
X3 = 0.175 + -0.125x + 1.4x2

Reorder the terms:
-0.175 + X3 + 0.125x + -1.4x2 = 0.175 + -0.125x + 1.4x2 + -0.175 + 0.125x + -1.4x2

Reorder the terms:
-0.175 + X3 + 0.125x + -1.4x2 = 0.175 + -0.175 + -0.125x + 0.125x + 1.4x2 + -1.4x2

Combine like terms: 0.175 + -0.175 = 0.000
-0.175 + X3 + 0.125x + -1.4x2 = 0.000 + -0.125x + 0.125x + 1.4x2 + -1.4x2
-0.175 + X3 + 0.125x + -1.4x2 = -0.125x + 0.125x + 1.4x2 + -1.4x2

Combine like terms: -0.125x + 0.125x = 0.000
-0.175 + X3 + 0.125x + -1.4x2 = 0.000 + 1.4x2 + -1.4x2
-0.175 + X3 + 0.125x + -1.4x2 = 1.4x2 + -1.4x2

Combine like terms: 1.4x2 + -1.4x2 = 0.0
-0.175 + X3 + 0.125x + -1.4x2 = 0.0

The solution to this equation could not be determined.

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