(w+5)(w-18)=0

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Solution for (w+5)(w-18)=0 equation:


Simplifying
(w + 5)(w + -18) = 0

Reorder the terms:
(5 + w)(w + -18) = 0

Reorder the terms:
(5 + w)(-18 + w) = 0

Multiply (5 + w) * (-18 + w)
(5(-18 + w) + w(-18 + w)) = 0
((-18 * 5 + w * 5) + w(-18 + w)) = 0
((-90 + 5w) + w(-18 + w)) = 0
(-90 + 5w + (-18 * w + w * w)) = 0
(-90 + 5w + (-18w + w2)) = 0

Combine like terms: 5w + -18w = -13w
(-90 + -13w + w2) = 0

Solving
-90 + -13w + w2 = 0

Solving for variable 'w'.

Factor a trinomial.
(-5 + -1w)(18 + -1w) = 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 '(18 + -1w)' equal to zero and attempt to solve: Simplifying 18 + -1w = 0 Solving 18 + -1w = 0 Move all terms containing w to the left, all other terms to the right. Add '-18' to each side of the equation. 18 + -18 + -1w = 0 + -18 Combine like terms: 18 + -18 = 0 0 + -1w = 0 + -18 -1w = 0 + -18 Combine like terms: 0 + -18 = -18 -1w = -18 Divide each side by '-1'. w = 18 Simplifying w = 18

Solution

w = {-5, 18}

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