(u+8)(u+7)(u-8)=

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Solution for (u+8)(u+7)(u-8)= equation:


Simplifying
(u + 8)(u + 7)(u + -8) = 0

Reorder the terms:
(8 + u)(u + 7)(u + -8) = 0

Reorder the terms:
(8 + u)(7 + u)(u + -8) = 0

Reorder the terms:
(8 + u)(7 + u)(-8 + u) = 0

Multiply (8 + u) * (7 + u)
(8(7 + u) + u(7 + u))(-8 + u) = 0
((7 * 8 + u * 8) + u(7 + u))(-8 + u) = 0
((56 + 8u) + u(7 + u))(-8 + u) = 0
(56 + 8u + (7 * u + u * u))(-8 + u) = 0
(56 + 8u + (7u + u2))(-8 + u) = 0

Combine like terms: 8u + 7u = 15u
(56 + 15u + u2)(-8 + u) = 0

Multiply (56 + 15u + u2) * (-8 + u)
(56(-8 + u) + 15u * (-8 + u) + u2(-8 + u)) = 0
((-8 * 56 + u * 56) + 15u * (-8 + u) + u2(-8 + u)) = 0
((-448 + 56u) + 15u * (-8 + u) + u2(-8 + u)) = 0
(-448 + 56u + (-8 * 15u + u * 15u) + u2(-8 + u)) = 0
(-448 + 56u + (-120u + 15u2) + u2(-8 + u)) = 0
(-448 + 56u + -120u + 15u2 + (-8 * u2 + u * u2)) = 0
(-448 + 56u + -120u + 15u2 + (-8u2 + u3)) = 0

Combine like terms: 56u + -120u = -64u
(-448 + -64u + 15u2 + -8u2 + u3) = 0

Combine like terms: 15u2 + -8u2 = 7u2
(-448 + -64u + 7u2 + u3) = 0

Solving
-448 + -64u + 7u2 + u3 = 0

Solving for variable 'u'.

The solution to this equation could not be determined.

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