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

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


Simplifying
0 = x3 + 2x2 + 9x + 18

Reorder the terms:
0 = 18 + 9x + 2x2 + x3

Solving
0 = 18 + 9x + 2x2 + x3

Solving for variable 'x'.

Combine like terms: 0 + -18 = -18
-18 + -9x + -2x2 + -1x3 = 18 + 9x + 2x2 + x3 + -18 + -9x + -2x2 + -1x3

Reorder the terms:
-18 + -9x + -2x2 + -1x3 = 18 + -18 + 9x + -9x + 2x2 + -2x2 + x3 + -1x3

Combine like terms: 18 + -18 = 0
-18 + -9x + -2x2 + -1x3 = 0 + 9x + -9x + 2x2 + -2x2 + x3 + -1x3
-18 + -9x + -2x2 + -1x3 = 9x + -9x + 2x2 + -2x2 + x3 + -1x3

Combine like terms: 9x + -9x = 0
-18 + -9x + -2x2 + -1x3 = 0 + 2x2 + -2x2 + x3 + -1x3
-18 + -9x + -2x2 + -1x3 = 2x2 + -2x2 + x3 + -1x3

Combine like terms: 2x2 + -2x2 = 0
-18 + -9x + -2x2 + -1x3 = 0 + x3 + -1x3
-18 + -9x + -2x2 + -1x3 = x3 + -1x3

Combine like terms: x3 + -1x3 = 0
-18 + -9x + -2x2 + -1x3 = 0

Factor out the Greatest Common Factor (GCF), '-1'.
-1(18 + 9x + 2x2 + x3) = 0

Ignore the factor -1.

Subproblem 1

Set the factor '(18 + 9x + 2x2 + x3)' equal to zero and attempt to solve: Simplifying 18 + 9x + 2x2 + x3 = 0 Solving 18 + 9x + 2x2 + x3 = 0 The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined. The solution to this equation could not be determined.

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