8w^4-28w^3-16w^2=0

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Solution for 8w^4-28w^3-16w^2=0 equation:


Simplifying
8w4 + -28w3 + -16w2 = 0

Reorder the terms:
-16w2 + -28w3 + 8w4 = 0

Solving
-16w2 + -28w3 + 8w4 = 0

Solving for variable 'w'.

Factor out the Greatest Common Factor (GCF), '4w2'.
4w2(-4 + -7w + 2w2) = 0

Factor a trinomial.
4w2((-1 + -2w)(4 + -1w)) = 0

Ignore the factor 4.

Subproblem 1

Set the factor 'w2' equal to zero and attempt to solve: Simplifying w2 = 0 Solving w2 = 0 Move all terms containing w to the left, all other terms to the right. Simplifying w2 = 0 Take the square root of each side: w = {0}

Subproblem 2

Set the factor '(-1 + -2w)' equal to zero and attempt to solve: Simplifying -1 + -2w = 0 Solving -1 + -2w = 0 Move all terms containing w to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + -2w = 0 + 1 Combine like terms: -1 + 1 = 0 0 + -2w = 0 + 1 -2w = 0 + 1 Combine like terms: 0 + 1 = 1 -2w = 1 Divide each side by '-2'. w = -0.5 Simplifying w = -0.5

Subproblem 3

Set the factor '(4 + -1w)' equal to zero and attempt to solve: Simplifying 4 + -1w = 0 Solving 4 + -1w = 0 Move all terms containing w to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -1w = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -1w = 0 + -4 -1w = 0 + -4 Combine like terms: 0 + -4 = -4 -1w = -4 Divide each side by '-1'. w = 4 Simplifying w = 4

Solution

w = {0, -0.5, 4}

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