7w^5+28w^4+28w^3=0

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Solution for 7w^5+28w^4+28w^3=0 equation:


Simplifying
7w5 + 28w4 + 28w3 = 0

Reorder the terms:
28w3 + 28w4 + 7w5 = 0

Solving
28w3 + 28w4 + 7w5 = 0

Solving for variable 'w'.

Factor out the Greatest Common Factor (GCF), '7w3'.
7w3(4 + 4w + w2) = 0

Factor a trinomial.
7w3((2 + w)(2 + w)) = 0

Ignore the factor 7.

Subproblem 1

Set the factor 'w3' equal to zero and attempt to solve: Simplifying w3 = 0 Solving w3 = 0 Move all terms containing w to the left, all other terms to the right. Simplifying w3 = 0 The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined.

Subproblem 2

Set the factor '(2 + w)' equal to zero and attempt to solve: Simplifying 2 + w = 0 Solving 2 + w = 0 Move all terms containing w to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + w = 0 + -2 Combine like terms: 2 + -2 = 0 0 + w = 0 + -2 w = 0 + -2 Combine like terms: 0 + -2 = -2 w = -2 Simplifying w = -2

Subproblem 3

Set the factor '(2 + w)' equal to zero and attempt to solve: Simplifying 2 + w = 0 Solving 2 + w = 0 Move all terms containing w to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + w = 0 + -2 Combine like terms: 2 + -2 = 0 0 + w = 0 + -2 w = 0 + -2 Combine like terms: 0 + -2 = -2 w = -2 Simplifying w = -2

Solution

w = {-2, -2}

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