9w=-49w^3-42w^2

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Solution for 9w=-49w^3-42w^2 equation:


Simplifying
9w = -49w3 + -42w2

Reorder the terms:
9w = -42w2 + -49w3

Solving
9w = -42w2 + -49w3

Solving for variable 'w'.

Reorder the terms:
9w + 42w2 + 49w3 = -42w2 + 42w2 + -49w3 + 49w3

Combine like terms: -42w2 + 42w2 = 0
9w + 42w2 + 49w3 = 0 + -49w3 + 49w3
9w + 42w2 + 49w3 = -49w3 + 49w3

Combine like terms: -49w3 + 49w3 = 0
9w + 42w2 + 49w3 = 0

Factor out the Greatest Common Factor (GCF), 'w'.
w(9 + 42w + 49w2) = 0

Factor a trinomial.
w((3 + 7w)(3 + 7w)) = 0

Subproblem 1

Set the factor 'w' equal to zero and attempt to solve: Simplifying w = 0 Solving w = 0 Move all terms containing w to the left, all other terms to the right. Simplifying w = 0

Subproblem 2

Set the factor '(3 + 7w)' equal to zero and attempt to solve: Simplifying 3 + 7w = 0 Solving 3 + 7w = 0 Move all terms containing w to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + 7w = 0 + -3 Combine like terms: 3 + -3 = 0 0 + 7w = 0 + -3 7w = 0 + -3 Combine like terms: 0 + -3 = -3 7w = -3 Divide each side by '7'. w = -0.4285714286 Simplifying w = -0.4285714286

Subproblem 3

Set the factor '(3 + 7w)' equal to zero and attempt to solve: Simplifying 3 + 7w = 0 Solving 3 + 7w = 0 Move all terms containing w to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + 7w = 0 + -3 Combine like terms: 3 + -3 = 0 0 + 7w = 0 + -3 7w = 0 + -3 Combine like terms: 0 + -3 = -3 7w = -3 Divide each side by '7'. w = -0.4285714286 Simplifying w = -0.4285714286

Solution

w = {0, -0.4285714286, -0.4285714286}

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