0=x^3-3x^2-18x+40

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Solution for 0=x^3-3x^2-18x+40 equation:


Simplifying
0 = x3 + -3x2 + -18x + 40

Reorder the terms:
0 = 40 + -18x + -3x2 + x3

Solving
0 = 40 + -18x + -3x2 + x3

Solving for variable 'x'.

Combine like terms: 0 + -40 = -40
-40 + 18x + 3x2 + -1x3 = 40 + -18x + -3x2 + x3 + -40 + 18x + 3x2 + -1x3

Reorder the terms:
-40 + 18x + 3x2 + -1x3 = 40 + -40 + -18x + 18x + -3x2 + 3x2 + x3 + -1x3

Combine like terms: 40 + -40 = 0
-40 + 18x + 3x2 + -1x3 = 0 + -18x + 18x + -3x2 + 3x2 + x3 + -1x3
-40 + 18x + 3x2 + -1x3 = -18x + 18x + -3x2 + 3x2 + x3 + -1x3

Combine like terms: -18x + 18x = 0
-40 + 18x + 3x2 + -1x3 = 0 + -3x2 + 3x2 + x3 + -1x3
-40 + 18x + 3x2 + -1x3 = -3x2 + 3x2 + x3 + -1x3

Combine like terms: -3x2 + 3x2 = 0
-40 + 18x + 3x2 + -1x3 = 0 + x3 + -1x3
-40 + 18x + 3x2 + -1x3 = x3 + -1x3

Combine like terms: x3 + -1x3 = 0
-40 + 18x + 3x2 + -1x3 = 0

The solution to this equation could not be determined.

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