(8-w)(4w-7)=0

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Solution for (8-w)(4w-7)=0 equation:


Simplifying
(8 + -1w)(4w + -7) = 0

Reorder the terms:
(8 + -1w)(-7 + 4w) = 0

Multiply (8 + -1w) * (-7 + 4w)
(8(-7 + 4w) + -1w * (-7 + 4w)) = 0
((-7 * 8 + 4w * 8) + -1w * (-7 + 4w)) = 0
((-56 + 32w) + -1w * (-7 + 4w)) = 0
(-56 + 32w + (-7 * -1w + 4w * -1w)) = 0
(-56 + 32w + (7w + -4w2)) = 0

Combine like terms: 32w + 7w = 39w
(-56 + 39w + -4w2) = 0

Solving
-56 + 39w + -4w2 = 0

Solving for variable 'w'.

Factor a trinomial.
(-8 + w)(7 + -4w) = 0

Subproblem 1

Set the factor '(-8 + w)' equal to zero and attempt to solve: Simplifying -8 + w = 0 Solving -8 + w = 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 + w = 0 + 8 Combine like terms: -8 + 8 = 0 0 + w = 0 + 8 w = 0 + 8 Combine like terms: 0 + 8 = 8 w = 8 Simplifying w = 8

Subproblem 2

Set the factor '(7 + -4w)' equal to zero and attempt to solve: Simplifying 7 + -4w = 0 Solving 7 + -4w = 0 Move all terms containing w to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -4w = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -4w = 0 + -7 -4w = 0 + -7 Combine like terms: 0 + -7 = -7 -4w = -7 Divide each side by '-4'. w = 1.75 Simplifying w = 1.75

Solution

w = {8, 1.75}

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