2w(5w+4)=-5w-4

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Solution for 2w(5w+4)=-5w-4 equation:


Simplifying
2w(5w + 4) = -5w + -4

Reorder the terms:
2w(4 + 5w) = -5w + -4
(4 * 2w + 5w * 2w) = -5w + -4
(8w + 10w2) = -5w + -4

Reorder the terms:
8w + 10w2 = -4 + -5w

Solving
8w + 10w2 = -4 + -5w

Solving for variable 'w'.

Reorder the terms:
4 + 8w + 5w + 10w2 = -4 + -5w + 4 + 5w

Combine like terms: 8w + 5w = 13w
4 + 13w + 10w2 = -4 + -5w + 4 + 5w

Reorder the terms:
4 + 13w + 10w2 = -4 + 4 + -5w + 5w

Combine like terms: -4 + 4 = 0
4 + 13w + 10w2 = 0 + -5w + 5w
4 + 13w + 10w2 = -5w + 5w

Combine like terms: -5w + 5w = 0
4 + 13w + 10w2 = 0

Factor a trinomial.
(4 + 5w)(1 + 2w) = 0

Subproblem 1

Set the factor '(4 + 5w)' equal to zero and attempt to solve: Simplifying 4 + 5w = 0 Solving 4 + 5w = 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 + 5w = 0 + -4 Combine like terms: 4 + -4 = 0 0 + 5w = 0 + -4 5w = 0 + -4 Combine like terms: 0 + -4 = -4 5w = -4 Divide each side by '5'. w = -0.8 Simplifying w = -0.8

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

Solution

w = {-0.8, -0.5}

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