(3w+4)(5-w)=0

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Solution for (3w+4)(5-w)=0 equation:


Simplifying
(3w + 4)(5 + -1w) = 0

Reorder the terms:
(4 + 3w)(5 + -1w) = 0

Multiply (4 + 3w) * (5 + -1w)
(4(5 + -1w) + 3w * (5 + -1w)) = 0
((5 * 4 + -1w * 4) + 3w * (5 + -1w)) = 0
((20 + -4w) + 3w * (5 + -1w)) = 0
(20 + -4w + (5 * 3w + -1w * 3w)) = 0
(20 + -4w + (15w + -3w2)) = 0

Combine like terms: -4w + 15w = 11w
(20 + 11w + -3w2) = 0

Solving
20 + 11w + -3w2 = 0

Solving for variable 'w'.

Factor a trinomial.
(5 + -1w)(4 + 3w) = 0

Subproblem 1

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

Subproblem 2

Set the factor '(4 + 3w)' equal to zero and attempt to solve: Simplifying 4 + 3w = 0 Solving 4 + 3w = 0 Move all terms containing w to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + 3w = 0 + -4 Combine like terms: 4 + -4 = 0 0 + 3w = 0 + -4 3w = 0 + -4 Combine like terms: 0 + -4 = -4 3w = -4 Divide each side by '3'. w = -1.333333333 Simplifying w = -1.333333333

Solution

w = {5, -1.333333333}

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