x^3-3ax^2+3bx-c=0

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Solution for x^3-3ax^2+3bx-c=0 equation:


Simplifying
x3 + -3ax2 + 3bx + -1c = 0

Reorder the terms:
-3ax2 + 3bx + -1c + x3 = 0

Solving
-3ax2 + 3bx + -1c + x3 = 0

Solving for variable 'a'.

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

Add '-3bx' to each side of the equation.
-3ax2 + 3bx + -1c + -3bx + x3 = 0 + -3bx

Reorder the terms:
-3ax2 + 3bx + -3bx + -1c + x3 = 0 + -3bx

Combine like terms: 3bx + -3bx = 0
-3ax2 + 0 + -1c + x3 = 0 + -3bx
-3ax2 + -1c + x3 = 0 + -3bx
Remove the zero:
-3ax2 + -1c + x3 = -3bx

Add 'c' to each side of the equation.
-3ax2 + -1c + c + x3 = -3bx + c

Combine like terms: -1c + c = 0
-3ax2 + 0 + x3 = -3bx + c
-3ax2 + x3 = -3bx + c

Add '-1x3' to each side of the equation.
-3ax2 + x3 + -1x3 = -3bx + c + -1x3

Combine like terms: x3 + -1x3 = 0
-3ax2 + 0 = -3bx + c + -1x3
-3ax2 = -3bx + c + -1x3

Divide each side by '-3x2'.
a = bx-1 + -0.3333333333cx-2 + 0.3333333333x

Simplifying
a = bx-1 + -0.3333333333cx-2 + 0.3333333333x

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