(u^2-11u+28)(4u+8)=0

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Solution for (u^2-11u+28)(4u+8)=0 equation: 


Simplifying
(u2 + -11u + 28)(4u + 8) = 0

Reorder the terms:
(28 + -11u + u2)(4u + 8) = 0

Reorder the terms:
(28 + -11u + u2)(8 + 4u) = 0

Multiply (28 + -11u + u2) * (8 + 4u)
(28(8 + 4u) + -11u * (8 + 4u) + u2(8 + 4u)) = 0
((8 * 28 + 4u * 28) + -11u * (8 + 4u) + u2(8 + 4u)) = 0
((224 + 112u) + -11u * (8 + 4u) + u2(8 + 4u)) = 0
(224 + 112u + (8 * -11u + 4u * -11u) + u2(8 + 4u)) = 0
(224 + 112u + (-88u + -44u2) + u2(8 + 4u)) = 0
(224 + 112u + -88u + -44u2 + (8 * u2 + 4u * u2)) = 0
(224 + 112u + -88u + -44u2 + (8u2 + 4u3)) = 0

Combine like terms: 112u + -88u = 24u
(224 + 24u + -44u2 + 8u2 + 4u3) = 0

Combine like terms: -44u2 + 8u2 = -36u2
(224 + 24u + -36u2 + 4u3) = 0

Solving
224 + 24u + -36u2 + 4u3 = 0

Solving for variable 'u'.

Factor out the Greatest Common Factor (GCF), '4'.
4(56 + 6u + -9u2 + u3) = 0

Ignore the factor 4.

Subproblem 1
Set the factor '(56 + 6u + -9u2 + u3)' equal to zero and attempt to solve:

Simplifying
56 + 6u + -9u2 + u3 = 0

Solving
56 + 6u + -9u2 + 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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