w(w+18)=40

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Solution for w(w+18)=40 equation:


Simplifying
w(w + 18) = 40

Reorder the terms:
w(18 + w) = 40
(18 * w + w * w) = 40
(18w + w2) = 40

Solving
18w + w2 = 40

Solving for variable 'w'.

Reorder the terms:
-40 + 18w + w2 = 40 + -40

Combine like terms: 40 + -40 = 0
-40 + 18w + w2 = 0

Factor a trinomial.
(-20 + -1w)(2 + -1w) = 0

Subproblem 1

Set the factor '(-20 + -1w)' equal to zero and attempt to solve: Simplifying -20 + -1w = 0 Solving -20 + -1w = 0 Move all terms containing w to the left, all other terms to the right. Add '20' to each side of the equation. -20 + 20 + -1w = 0 + 20 Combine like terms: -20 + 20 = 0 0 + -1w = 0 + 20 -1w = 0 + 20 Combine like terms: 0 + 20 = 20 -1w = 20 Divide each side by '-1'. w = -20 Simplifying w = -20

Subproblem 2

Set the factor '(2 + -1w)' equal to zero and attempt to solve: Simplifying 2 + -1w = 0 Solving 2 + -1w = 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 + -1w = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -1w = 0 + -2 -1w = 0 + -2 Combine like terms: 0 + -2 = -2 -1w = -2 Divide each side by '-1'. w = 2 Simplifying w = 2

Solution

w = {-20, 2}

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