40=22w-w^2

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Solution for 40=22w-w^2 equation:


Simplifying
40 = 22w + -1w2

Solving
40 = 22w + -1w2

Solving for variable 'w'.

Reorder the terms:
40 + -22w + w2 = 22w + -22w + -1w2 + w2

Combine like terms: 22w + -22w = 0
40 + -22w + w2 = 0 + -1w2 + w2
40 + -22w + w2 = -1w2 + w2

Combine like terms: -1w2 + w2 = 0
40 + -22w + w2 = 0

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

Subproblem 1

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

Subproblem 2

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

Solution

w = {2, 20}

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