(2w+6)w=80

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Solution for (2w+6)w=80 equation:


Simplifying
(2w + 6) * w = 80

Reorder the terms:
(6 + 2w) * w = 80

Reorder the terms for easier multiplication:
w(6 + 2w) = 80
(6 * w + 2w * w) = 80
(6w + 2w2) = 80

Solving
6w + 2w2 = 80

Solving for variable 'w'.

Reorder the terms:
-80 + 6w + 2w2 = 80 + -80

Combine like terms: 80 + -80 = 0
-80 + 6w + 2w2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(-40 + 3w + w2) = 0

Factor a trinomial.
2((-8 + -1w)(5 + -1w)) = 0

Ignore the factor 2.

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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