(3w+2)(9-w)=0

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Solution for (3w+2)(9-w)=0 equation:


Simplifying
(3w + 2)(9 + -1w) = 0

Reorder the terms:
(2 + 3w)(9 + -1w) = 0

Multiply (2 + 3w) * (9 + -1w)
(2(9 + -1w) + 3w * (9 + -1w)) = 0
((9 * 2 + -1w * 2) + 3w * (9 + -1w)) = 0
((18 + -2w) + 3w * (9 + -1w)) = 0
(18 + -2w + (9 * 3w + -1w * 3w)) = 0
(18 + -2w + (27w + -3w2)) = 0

Combine like terms: -2w + 27w = 25w
(18 + 25w + -3w2) = 0

Solving
18 + 25w + -3w2 = 0

Solving for variable 'w'.

Factor a trinomial.
(9 + -1w)(2 + 3w) = 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 '(2 + 3w)' equal to zero and attempt to solve: Simplifying 2 + 3w = 0 Solving 2 + 3w = 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 + 3w = 0 + -2 Combine like terms: 2 + -2 = 0 0 + 3w = 0 + -2 3w = 0 + -2 Combine like terms: 0 + -2 = -2 3w = -2 Divide each side by '3'. w = -0.6666666667 Simplifying w = -0.6666666667

Solution

w = {9, -0.6666666667}

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