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

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


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

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

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

Multiply (-4 + w) * (5 + 3w)
(-4(5 + 3w) + w(5 + 3w)) = 0
((5 * -4 + 3w * -4) + w(5 + 3w)) = 0
((-20 + -12w) + w(5 + 3w)) = 0
(-20 + -12w + (5 * w + 3w * w)) = 0
(-20 + -12w + (5w + 3w2)) = 0

Combine like terms: -12w + 5w = -7w
(-20 + -7w + 3w2) = 0

Solving
-20 + -7w + 3w2 = 0

Solving for variable 'w'.

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

Subproblem 1

Set the factor '(-5 + -3w)' equal to zero and attempt to solve: Simplifying -5 + -3w = 0 Solving -5 + -3w = 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 + -3w = 0 + 5 Combine like terms: -5 + 5 = 0 0 + -3w = 0 + 5 -3w = 0 + 5 Combine like terms: 0 + 5 = 5 -3w = 5 Divide each side by '-3'. w = -1.666666667 Simplifying w = -1.666666667

Subproblem 2

Set the factor '(4 + -1w)' equal to zero and attempt to solve: Simplifying 4 + -1w = 0 Solving 4 + -1w = 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 + -1w = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -1w = 0 + -4 -1w = 0 + -4 Combine like terms: 0 + -4 = -4 -1w = -4 Divide each side by '-1'. w = 4 Simplifying w = 4

Solution

w = {-1.666666667, 4}

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