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

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


Simplifying
(4w + 2)(5 + -1w) = 0

Reorder the terms:
(2 + 4w)(5 + -1w) = 0

Multiply (2 + 4w) * (5 + -1w)
(2(5 + -1w) + 4w * (5 + -1w)) = 0
((5 * 2 + -1w * 2) + 4w * (5 + -1w)) = 0
((10 + -2w) + 4w * (5 + -1w)) = 0
(10 + -2w + (5 * 4w + -1w * 4w)) = 0
(10 + -2w + (20w + -4w2)) = 0

Combine like terms: -2w + 20w = 18w
(10 + 18w + -4w2) = 0

Solving
10 + 18w + -4w2 = 0

Solving for variable 'w'.

Factor out the Greatest Common Factor (GCF), '2'.
2(5 + 9w + -2w2) = 0

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

Ignore the factor 2.

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 + 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 = {5, -0.5}

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