(u^2+2u-15)(2u-12)=0

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Solution for (u^2+2u-15)(2u-12)=0 equation: 


Simplifying
(u2 + 2u + -15)(2u + -12) = 0

Reorder the terms:
(-15 + 2u + u2)(2u + -12) = 0

Reorder the terms:
(-15 + 2u + u2)(-12 + 2u) = 0

Multiply (-15 + 2u + u2) * (-12 + 2u)
(-15(-12 + 2u) + 2u * (-12 + 2u) + u2(-12 + 2u)) = 0
((-12 * -15 + 2u * -15) + 2u * (-12 + 2u) + u2(-12 + 2u)) = 0
((180 + -30u) + 2u * (-12 + 2u) + u2(-12 + 2u)) = 0
(180 + -30u + (-12 * 2u + 2u * 2u) + u2(-12 + 2u)) = 0
(180 + -30u + (-24u + 4u2) + u2(-12 + 2u)) = 0
(180 + -30u + -24u + 4u2 + (-12 * u2 + 2u * u2)) = 0
(180 + -30u + -24u + 4u2 + (-12u2 + 2u3)) = 0

Combine like terms: -30u + -24u = -54u
(180 + -54u + 4u2 + -12u2 + 2u3) = 0

Combine like terms: 4u2 + -12u2 = -8u2
(180 + -54u + -8u2 + 2u3) = 0

Solving
180 + -54u + -8u2 + 2u3 = 0

Solving for variable 'u'.

Factor out the Greatest Common Factor (GCF), '2'.
2(90 + -27u + -4u2 + u3) = 0

Ignore the factor 2.

Subproblem 1
Set the factor '(90 + -27u + -4u2 + u3)' equal to zero and attempt to solve:

Simplifying
90 + -27u + -4u2 + u3 = 0

Solving
90 + -27u + -4u2 + 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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