40X^3+12X^2-9X+14DX=0

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Solution for 40X^3+12X^2-9X+14DX=0 equation: 


Simplifying
40X3 + 12X2 + -9X + 14DX = 0

Reorder the terms:
14DX + -9X + 12X2 + 40X3 = 0

Solving
14DX + -9X + 12X2 + 40X3 = 0

Solving for variable 'D'.

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

Add '9X' to each side of the equation.
14DX + -9X + 12X2 + 9X + 40X3 = 0 + 9X

Reorder the terms:
14DX + -9X + 9X + 12X2 + 40X3 = 0 + 9X

Combine like terms: -9X + 9X = 0
14DX + 0 + 12X2 + 40X3 = 0 + 9X
14DX + 12X2 + 40X3 = 0 + 9X
Remove the zero:
14DX + 12X2 + 40X3 = 9X

Add '-12X2' to each side of the equation.
14DX + 12X2 + -12X2 + 40X3 = 9X + -12X2

Combine like terms: 12X2 + -12X2 = 0
14DX + 0 + 40X3 = 9X + -12X2
14DX + 40X3 = 9X + -12X2

Add '-40X3' to each side of the equation.
14DX + 40X3 + -40X3 = 9X + -12X2 + -40X3

Combine like terms: 40X3 + -40X3 = 0
14DX + 0 = 9X + -12X2 + -40X3
14DX = 9X + -12X2 + -40X3

Divide each side by '14X'.
D = 0.6428571429 + -0.8571428571X + -2.857142857X2

Simplifying
D = 0.6428571429 + -0.8571428571X + -2.857142857X2

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