(3u^2-2u-7)(5u+4)=

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Solution for (3u^2-2u-7)(5u+4)= equation: 


Simplifying
(3u2 + -2u + -7)(5u + 4) = 0

Reorder the terms:
(-7 + -2u + 3u2)(5u + 4) = 0

Reorder the terms:
(-7 + -2u + 3u2)(4 + 5u) = 0

Multiply (-7 + -2u + 3u2) * (4 + 5u)
(-7(4 + 5u) + -2u * (4 + 5u) + 3u2 * (4 + 5u)) = 0
((4 * -7 + 5u * -7) + -2u * (4 + 5u) + 3u2 * (4 + 5u)) = 0
((-28 + -35u) + -2u * (4 + 5u) + 3u2 * (4 + 5u)) = 0
(-28 + -35u + (4 * -2u + 5u * -2u) + 3u2 * (4 + 5u)) = 0
(-28 + -35u + (-8u + -10u2) + 3u2 * (4 + 5u)) = 0
(-28 + -35u + -8u + -10u2 + (4 * 3u2 + 5u * 3u2)) = 0
(-28 + -35u + -8u + -10u2 + (12u2 + 15u3)) = 0

Combine like terms: -35u + -8u = -43u
(-28 + -43u + -10u2 + 12u2 + 15u3) = 0

Combine like terms: -10u2 + 12u2 = 2u2
(-28 + -43u + 2u2 + 15u3) = 0

Solving
-28 + -43u + 2u2 + 15u3 = 0

Solving for variable 'u'.

The solution to this equation could not be determined.

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