(4+w)(5w-2)=0

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Solution for (4+w)(5w-2)=0 equation:


Simplifying
(4 + w)(5w + -2) = 0

Reorder the terms:
(4 + w)(-2 + 5w) = 0

Multiply (4 + w) * (-2 + 5w)
(4(-2 + 5w) + w(-2 + 5w)) = 0
((-2 * 4 + 5w * 4) + w(-2 + 5w)) = 0
((-8 + 20w) + w(-2 + 5w)) = 0
(-8 + 20w + (-2 * w + 5w * w)) = 0
(-8 + 20w + (-2w + 5w2)) = 0

Combine like terms: 20w + -2w = 18w
(-8 + 18w + 5w2) = 0

Solving
-8 + 18w + 5w2 = 0

Solving for variable 'w'.

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

Subproblem 1

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

Subproblem 2

Set the factor '(2 + -5w)' equal to zero and attempt to solve: Simplifying 2 + -5w = 0 Solving 2 + -5w = 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 + -5w = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -5w = 0 + -2 -5w = 0 + -2 Combine like terms: 0 + -2 = -2 -5w = -2 Divide each side by '-5'. w = 0.4 Simplifying w = 0.4

Solution

w = {-4, 0.4}

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