0=720w-18w^2

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Solution for 0=720w-18w^2 equation:


Simplifying
0 = 720w + -18w2

Solving
0 = 720w + -18w2

Solving for variable 'w'.
Remove the zero:
-720w + 18w2 = 720w + -18w2 + -720w + 18w2

Reorder the terms:
-720w + 18w2 = 720w + -720w + -18w2 + 18w2

Combine like terms: 720w + -720w = 0
-720w + 18w2 = 0 + -18w2 + 18w2
-720w + 18w2 = -18w2 + 18w2

Combine like terms: -18w2 + 18w2 = 0
-720w + 18w2 = 0

Factor out the Greatest Common Factor (GCF), '18w'.
18w(-40 + w) = 0

Ignore the factor 18.

Subproblem 1

Set the factor 'w' equal to zero and attempt to solve: Simplifying w = 0 Solving w = 0 Move all terms containing w to the left, all other terms to the right. Simplifying w = 0

Subproblem 2

Set the factor '(-40 + w)' equal to zero and attempt to solve: Simplifying -40 + w = 0 Solving -40 + w = 0 Move all terms containing w to the left, all other terms to the right. Add '40' to each side of the equation. -40 + 40 + w = 0 + 40 Combine like terms: -40 + 40 = 0 0 + w = 0 + 40 w = 0 + 40 Combine like terms: 0 + 40 = 40 w = 40 Simplifying w = 40

Solution

w = {0, 40}

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