7u^2+28u^3-10u^4-40u^5=0

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Solution for 7u^2+28u^3-10u^4-40u^5=0 equation: 


Simplifying
7u2 + 28u3 + -10u4 + -40u5 = 0

Solving
7u2 + 28u3 + -10u4 + -40u5 = 0

Solving for variable 'u'.

Factor out the Greatest Common Factor (GCF), 'u2'.
u2(7 + 28u + -10u2 + -40u3) = 0


Subproblem 1
Set the factor 'u2' equal to zero and attempt to solve:

Simplifying
u2 = 0

Solving
u2 = 0

Move all terms containing u to the left, all other terms to the right.

Simplifying
u2 = 0

Take the square root of each side:
u = {0}

Subproblem 2
Set the factor '(7 + 28u + -10u2 + -40u3)' equal to zero and attempt to solve:

Simplifying
7 + 28u + -10u2 + -40u3 = 0

Solving
7 + 28u + -10u2 + -40u3 = 0

The solution to this equation could not be determined.

This subproblem is being ignored because a solution could not be determined.
Solution
u = {0}

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