x^3-ax-b=0

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Solution for x^3-ax-b=0 equation:


Simplifying
x3 + -1ax + -1b = 0

Reorder the terms:
-1ax + -1b + x3 = 0

Solving
-1ax + -1b + x3 = 0

Solving for variable 'a'.

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

Add 'b' to each side of the equation.
-1ax + -1b + b + x3 = 0 + b

Combine like terms: -1b + b = 0
-1ax + 0 + x3 = 0 + b
-1ax + x3 = 0 + b
Remove the zero:
-1ax + x3 = b

Add '-1x3' to each side of the equation.
-1ax + x3 + -1x3 = b + -1x3

Combine like terms: x3 + -1x3 = 0
-1ax + 0 = b + -1x3
-1ax = b + -1x3

Divide each side by '-1x'.
a = -1bx-1 + x2

Simplifying
a = -1bx-1 + x2

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