0=x^3+2x^2-8x-9

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Solution for 0=x^3+2x^2-8x-9 equation: 


Simplifying
0 = x3 + 2x2 + -8x + -9

Reorder the terms:
0 = -9 + -8x + 2x2 + x3

Solving
0 = -9 + -8x + 2x2 + x3

Solving for variable 'x'.

Combine like terms: 0 + 9 = 9
9 + 8x + -2x2 + -1x3 = -9 + -8x + 2x2 + x3 + 9 + 8x + -2x2 + -1x3

Reorder the terms:
9 + 8x + -2x2 + -1x3 = -9 + 9 + -8x + 8x + 2x2 + -2x2 + x3 + -1x3

Combine like terms: -9 + 9 = 0
9 + 8x + -2x2 + -1x3 = 0 + -8x + 8x + 2x2 + -2x2 + x3 + -1x3
9 + 8x + -2x2 + -1x3 = -8x + 8x + 2x2 + -2x2 + x3 + -1x3

Combine like terms: -8x + 8x = 0
9 + 8x + -2x2 + -1x3 = 0 + 2x2 + -2x2 + x3 + -1x3
9 + 8x + -2x2 + -1x3 = 2x2 + -2x2 + x3 + -1x3

Combine like terms: 2x2 + -2x2 = 0
9 + 8x + -2x2 + -1x3 = 0 + x3 + -1x3
9 + 8x + -2x2 + -1x3 = x3 + -1x3

Combine like terms: x3 + -1x3 = 0
9 + 8x + -2x2 + -1x3 = 0

The solution to this equation could not be determined.

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