(5-w)(4w+1)=0

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Solution for (5-w)(4w+1)=0 equation:


Simplifying
(5 + -1w)(4w + 1) = 0

Reorder the terms:
(5 + -1w)(1 + 4w) = 0

Multiply (5 + -1w) * (1 + 4w)
(5(1 + 4w) + -1w * (1 + 4w)) = 0
((1 * 5 + 4w * 5) + -1w * (1 + 4w)) = 0
((5 + 20w) + -1w * (1 + 4w)) = 0
(5 + 20w + (1 * -1w + 4w * -1w)) = 0
(5 + 20w + (-1w + -4w2)) = 0

Combine like terms: 20w + -1w = 19w
(5 + 19w + -4w2) = 0

Solving
5 + 19w + -4w2 = 0

Solving for variable 'w'.

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

Subproblem 1

Set the factor '(5 + -1w)' equal to zero and attempt to solve: Simplifying 5 + -1w = 0 Solving 5 + -1w = 0 Move all terms containing w to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -1w = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -1w = 0 + -5 -1w = 0 + -5 Combine like terms: 0 + -5 = -5 -1w = -5 Divide each side by '-1'. w = 5 Simplifying w = 5

Subproblem 2

Set the factor '(1 + 4w)' equal to zero and attempt to solve: Simplifying 1 + 4w = 0 Solving 1 + 4w = 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 + 4w = 0 + -1 Combine like terms: 1 + -1 = 0 0 + 4w = 0 + -1 4w = 0 + -1 Combine like terms: 0 + -1 = -1 4w = -1 Divide each side by '4'. w = -0.25 Simplifying w = -0.25

Solution

w = {5, -0.25}

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