(5-w)(5w+8)=0

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Solution for (5-w)(5w+8)=0 equation:


Simplifying
(5 + -1w)(5w + 8) = 0

Reorder the terms:
(5 + -1w)(8 + 5w) = 0

Multiply (5 + -1w) * (8 + 5w)
(5(8 + 5w) + -1w * (8 + 5w)) = 0
((8 * 5 + 5w * 5) + -1w * (8 + 5w)) = 0
((40 + 25w) + -1w * (8 + 5w)) = 0
(40 + 25w + (8 * -1w + 5w * -1w)) = 0
(40 + 25w + (-8w + -5w2)) = 0

Combine like terms: 25w + -8w = 17w
(40 + 17w + -5w2) = 0

Solving
40 + 17w + -5w2 = 0

Solving for variable 'w'.

Factor a trinomial.
(5 + -1w)(8 + 5w) = 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 '(8 + 5w)' equal to zero and attempt to solve: Simplifying 8 + 5w = 0 Solving 8 + 5w = 0 Move all terms containing w to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + 5w = 0 + -8 Combine like terms: 8 + -8 = 0 0 + 5w = 0 + -8 5w = 0 + -8 Combine like terms: 0 + -8 = -8 5w = -8 Divide each side by '5'. w = -1.6 Simplifying w = -1.6

Solution

w = {5, -1.6}

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