X^3-x^2-9x+18=0

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Solution for X^3-x^2-9x+18=0 equation:


Simplifying
X3 + -1x2 + -9x + 18 = 0

Reorder the terms:
18 + X3 + -9x + -1x2 = 0

Solving
18 + X3 + -9x + -1x2 = 0

Solving for variable 'X'.

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

Add '-18' to each side of the equation.
18 + X3 + -9x + -18 + -1x2 = 0 + -18

Reorder the terms:
18 + -18 + X3 + -9x + -1x2 = 0 + -18

Combine like terms: 18 + -18 = 0
0 + X3 + -9x + -1x2 = 0 + -18
X3 + -9x + -1x2 = 0 + -18

Combine like terms: 0 + -18 = -18
X3 + -9x + -1x2 = -18

Add '9x' to each side of the equation.
X3 + -9x + 9x + -1x2 = -18 + 9x

Combine like terms: -9x + 9x = 0
X3 + 0 + -1x2 = -18 + 9x
X3 + -1x2 = -18 + 9x

Add 'x2' to each side of the equation.
X3 + -1x2 + x2 = -18 + 9x + x2

Combine like terms: -1x2 + x2 = 0
X3 + 0 = -18 + 9x + x2
X3 = -18 + 9x + x2

Simplifying
X3 = -18 + 9x + x2

Reorder the terms:
18 + X3 + -9x + -1x2 = -18 + 9x + x2 + 18 + -9x + -1x2

Reorder the terms:
18 + X3 + -9x + -1x2 = -18 + 18 + 9x + -9x + x2 + -1x2

Combine like terms: -18 + 18 = 0
18 + X3 + -9x + -1x2 = 0 + 9x + -9x + x2 + -1x2
18 + X3 + -9x + -1x2 = 9x + -9x + x2 + -1x2

Combine like terms: 9x + -9x = 0
18 + X3 + -9x + -1x2 = 0 + x2 + -1x2
18 + X3 + -9x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
18 + X3 + -9x + -1x2 = 0

The solution to this equation could not be determined.

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