(3u+7)(2u^2+6u-1)=

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Solution for (3u+7)(2u^2+6u-1)= equation:


Simplifying
(3u + 7)(2u2 + 6u + -1) = 0

Reorder the terms:
(7 + 3u)(2u2 + 6u + -1) = 0

Reorder the terms:
(7 + 3u)(-1 + 6u + 2u2) = 0

Multiply (7 + 3u) * (-1 + 6u + 2u2)
(7(-1 + 6u + 2u2) + 3u * (-1 + 6u + 2u2)) = 0
((-1 * 7 + 6u * 7 + 2u2 * 7) + 3u * (-1 + 6u + 2u2)) = 0
((-7 + 42u + 14u2) + 3u * (-1 + 6u + 2u2)) = 0
(-7 + 42u + 14u2 + (-1 * 3u + 6u * 3u + 2u2 * 3u)) = 0
(-7 + 42u + 14u2 + (-3u + 18u2 + 6u3)) = 0

Reorder the terms:
(-7 + 42u + -3u + 14u2 + 18u2 + 6u3) = 0

Combine like terms: 42u + -3u = 39u
(-7 + 39u + 14u2 + 18u2 + 6u3) = 0

Combine like terms: 14u2 + 18u2 = 32u2
(-7 + 39u + 32u2 + 6u3) = 0

Solving
-7 + 39u + 32u2 + 6u3 = 0

Solving for variable 'u'.

The solution to this equation could not be determined.

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