x^3+8x^2+9x-18=(x+6)

Solution for x^3+8x^2+9x-18=(x+6) equation:

Simplifying
x3 + 8x2 + 9x + -18 = (x + 6)

Reorder the terms:
-18 + 9x + 8x2 + x3 = (x + 6)

Reorder the terms:
-18 + 9x + 8x2 + x3 = (6 + x)

Remove parenthesis around (6 + x)
-18 + 9x + 8x2 + x3 = 6 + x

Solving
-18 + 9x + 8x2 + x3 = 6 + x

Solving for variable 'x'.

Reorder the terms:
-18 + -6 + 9x + -1x + 8x2 + x3 = 6 + x + -6 + -1x

Combine like terms: -18 + -6 = -24
-24 + 9x + -1x + 8x2 + x3 = 6 + x + -6 + -1x

Combine like terms: 9x + -1x = 8x
-24 + 8x + 8x2 + x3 = 6 + x + -6 + -1x

Reorder the terms:
-24 + 8x + 8x2 + x3 = 6 + -6 + x + -1x

Combine like terms: 6 + -6 = 0
-24 + 8x + 8x2 + x3 = 0 + x + -1x
-24 + 8x + 8x2 + x3 = x + -1x

Combine like terms: x + -1x = 0
-24 + 8x + 8x2 + x3 = 0

The solution to this equation could not be determined.