(3w+8)(5+w)=0

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Solution for (3w+8)(5+w)=0 equation:


Simplifying
(3w + 8)(5 + w) = 0

Reorder the terms:
(8 + 3w)(5 + w) = 0

Multiply (8 + 3w) * (5 + w)
(8(5 + w) + 3w * (5 + w)) = 0
((5 * 8 + w * 8) + 3w * (5 + w)) = 0
((40 + 8w) + 3w * (5 + w)) = 0
(40 + 8w + (5 * 3w + w * 3w)) = 0
(40 + 8w + (15w + 3w2)) = 0

Combine like terms: 8w + 15w = 23w
(40 + 23w + 3w2) = 0

Solving
40 + 23w + 3w2 = 0

Solving for variable 'w'.

Factor a trinomial.
(5 + w)(8 + 3w) = 0

Subproblem 1

Set the factor '(5 + w)' equal to zero and attempt to solve: Simplifying 5 + w = 0 Solving 5 + w = 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 + w = 0 + -5 Combine like terms: 5 + -5 = 0 0 + w = 0 + -5 w = 0 + -5 Combine like terms: 0 + -5 = -5 w = -5 Simplifying w = -5

Subproblem 2

Set the factor '(8 + 3w)' equal to zero and attempt to solve: Simplifying 8 + 3w = 0 Solving 8 + 3w = 0 Move all terms containing w to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + 3w = 0 + -8 Combine like terms: 8 + -8 = 0 0 + 3w = 0 + -8 3w = 0 + -8 Combine like terms: 0 + -8 = -8 3w = -8 Divide each side by '3'. w = -2.666666667 Simplifying w = -2.666666667

Solution

w = {-5, -2.666666667}

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