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

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


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

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

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

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

Combine like terms: 8w + -5w = 3w
(-40 + 3w + w2) = 0

Solving
-40 + 3w + w2 = 0

Solving for variable 'w'.

Factor a trinomial.
(-8 + -1w)(5 + -1w) = 0


Subproblem 1
Set the factor '(-8 + -1w)' equal to zero and attempt to solve:

Simplifying
-8 + -1w = 0

Solving
-8 + -1w = 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 + -1w = 0 + 8

Combine like terms: -8 + 8 = 0
0 + -1w = 0 + 8
-1w = 0 + 8

Combine like terms: 0 + 8 = 8
-1w = 8

Divide each side by '-1'.
w = -8

Simplifying
w = -8

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 = {-8, 5}

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