(5+w)(5w-7)=0

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Solution for (5+w)(5w-7)=0 equation:


Simplifying
(5 + w)(5w + -7) = 0

Reorder the terms:
(5 + w)(-7 + 5w) = 0

Multiply (5 + w) * (-7 + 5w)
(5(-7 + 5w) + w(-7 + 5w)) = 0
((-7 * 5 + 5w * 5) + w(-7 + 5w)) = 0
((-35 + 25w) + w(-7 + 5w)) = 0
(-35 + 25w + (-7 * w + 5w * w)) = 0
(-35 + 25w + (-7w + 5w2)) = 0

Combine like terms: 25w + -7w = 18w
(-35 + 18w + 5w2) = 0

Solving
-35 + 18w + 5w2 = 0

Solving for variable 'w'.

Factor a trinomial.
(-5 + -1w)(7 + -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 '(7 + -5w)' equal to zero and attempt to solve: Simplifying 7 + -5w = 0 Solving 7 + -5w = 0 Move all terms containing w to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -5w = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -5w = 0 + -7 -5w = 0 + -7 Combine like terms: 0 + -7 = -7 -5w = -7 Divide each side by '-5'. w = 1.4 Simplifying w = 1.4

Solution

w = {-5, 1.4}

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