(8-w)(5w+1)=0

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Solution for (8-w)(5w+1)=0 equation:


Simplifying
(8 + -1w)(5w + 1) = 0

Reorder the terms:
(8 + -1w)(1 + 5w) = 0

Multiply (8 + -1w) * (1 + 5w)
(8(1 + 5w) + -1w * (1 + 5w)) = 0
((1 * 8 + 5w * 8) + -1w * (1 + 5w)) = 0
((8 + 40w) + -1w * (1 + 5w)) = 0
(8 + 40w + (1 * -1w + 5w * -1w)) = 0
(8 + 40w + (-1w + -5w2)) = 0

Combine like terms: 40w + -1w = 39w
(8 + 39w + -5w2) = 0

Solving
8 + 39w + -5w2 = 0

Solving for variable 'w'.

Factor a trinomial.
(8 + -1w)(1 + 5w) = 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 '(1 + 5w)' equal to zero and attempt to solve: Simplifying 1 + 5w = 0 Solving 1 + 5w = 0 Move all terms containing w to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + 5w = 0 + -1 Combine like terms: 1 + -1 = 0 0 + 5w = 0 + -1 5w = 0 + -1 Combine like terms: 0 + -1 = -1 5w = -1 Divide each side by '5'. w = -0.2 Simplifying w = -0.2

Solution

w = {8, -0.2}

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