(u^2-1)(3u+18)=0

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Solution for (u^2-1)(3u+18)=0 equation: 


Simplifying
(u2 + -1)(3u + 18) = 0

Reorder the terms:
(-1 + u2)(3u + 18) = 0

Reorder the terms:
(-1 + u2)(18 + 3u) = 0

Multiply (-1 + u2) * (18 + 3u)
(-1(18 + 3u) + u2(18 + 3u)) = 0
((18 * -1 + 3u * -1) + u2(18 + 3u)) = 0
((-18 + -3u) + u2(18 + 3u)) = 0
(-18 + -3u + (18 * u2 + 3u * u2)) = 0
(-18 + -3u + (18u2 + 3u3)) = 0
(-18 + -3u + 18u2 + 3u3) = 0

Solving
-18 + -3u + 18u2 + 3u3 = 0

Solving for variable 'u'.

Factor out the Greatest Common Factor (GCF), '3'.
3(-6 + -1u + 6u2 + u3) = 0

Ignore the factor 3.

Subproblem 1
Set the factor '(-6 + -1u + 6u2 + u3)' equal to zero and attempt to solve:

Simplifying
-6 + -1u + 6u2 + u3 = 0

Solving
-6 + -1u + 6u2 + u3 = 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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