(2+w)(4w+9)=0

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Solution for (2+w)(4w+9)=0 equation:


Simplifying
(2 + w)(4w + 9) = 0

Reorder the terms:
(2 + w)(9 + 4w) = 0

Multiply (2 + w) * (9 + 4w)
(2(9 + 4w) + w(9 + 4w)) = 0
((9 * 2 + 4w * 2) + w(9 + 4w)) = 0
((18 + 8w) + w(9 + 4w)) = 0
(18 + 8w + (9 * w + 4w * w)) = 0
(18 + 8w + (9w + 4w2)) = 0

Combine like terms: 8w + 9w = 17w
(18 + 17w + 4w2) = 0

Solving
18 + 17w + 4w2 = 0

Solving for variable 'w'.

Factor a trinomial.
(9 + 4w)(2 + w) = 0

Subproblem 1

Set the factor '(9 + 4w)' equal to zero and attempt to solve: Simplifying 9 + 4w = 0 Solving 9 + 4w = 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 + 4w = 0 + -9 Combine like terms: 9 + -9 = 0 0 + 4w = 0 + -9 4w = 0 + -9 Combine like terms: 0 + -9 = -9 4w = -9 Divide each side by '4'. w = -2.25 Simplifying w = -2.25

Subproblem 2

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

Solution

w = {-2.25, -2}

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