w^2=45-4w

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Solution for w^2=45-4w equation:


Simplifying
w2 = 45 + -4w

Solving
w2 = 45 + -4w

Solving for variable 'w'.

Reorder the terms:
-45 + 4w + w2 = 45 + -4w + -45 + 4w

Reorder the terms:
-45 + 4w + w2 = 45 + -45 + -4w + 4w

Combine like terms: 45 + -45 = 0
-45 + 4w + w2 = 0 + -4w + 4w
-45 + 4w + w2 = -4w + 4w

Combine like terms: -4w + 4w = 0
-45 + 4w + w2 = 0

Factor a trinomial.
(-9 + -1w)(5 + -1w) = 0

Subproblem 1

Set the factor '(-9 + -1w)' equal to zero and attempt to solve: Simplifying -9 + -1w = 0 Solving -9 + -1w = 0 Move all terms containing w to the left, all other terms to the right. Add '9' to each side of the equation. -9 + 9 + -1w = 0 + 9 Combine like terms: -9 + 9 = 0 0 + -1w = 0 + 9 -1w = 0 + 9 Combine like terms: 0 + 9 = 9 -1w = 9 Divide each side by '-1'. w = -9 Simplifying w = -9

Subproblem 2

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

Solution

w = {-9, 5}

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