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

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


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

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

Multiply (-5 + 4w) * (2 + -1w)
(-5(2 + -1w) + 4w * (2 + -1w)) = 0
((2 * -5 + -1w * -5) + 4w * (2 + -1w)) = 0
((-10 + 5w) + 4w * (2 + -1w)) = 0
(-10 + 5w + (2 * 4w + -1w * 4w)) = 0
(-10 + 5w + (8w + -4w2)) = 0

Combine like terms: 5w + 8w = 13w
(-10 + 13w + -4w2) = 0

Solving
-10 + 13w + -4w2 = 0

Solving for variable 'w'.

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

Subproblem 1

Set the factor '(-2 + w)' equal to zero and attempt to solve: Simplifying -2 + w = 0 Solving -2 + w = 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 + w = 0 + 2 Combine like terms: -2 + 2 = 0 0 + w = 0 + 2 w = 0 + 2 Combine like terms: 0 + 2 = 2 w = 2 Simplifying w = 2

Subproblem 2

Set the factor '(5 + -4w)' equal to zero and attempt to solve: Simplifying 5 + -4w = 0 Solving 5 + -4w = 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 + -4w = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -4w = 0 + -5 -4w = 0 + -5 Combine like terms: 0 + -5 = -5 -4w = -5 Divide each side by '-4'. w = 1.25 Simplifying w = 1.25

Solution

w = {2, 1.25}

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