3w^2+5w=8

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Solution for 3w^2+5w=8 equation:


Simplifying
3w2 + 5w = 8

Reorder the terms:
5w + 3w2 = 8

Solving
5w + 3w2 = 8

Solving for variable 'w'.

Reorder the terms:
-8 + 5w + 3w2 = 8 + -8

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

Factor a trinomial.
(-8 + -3w)(1 + -1w) = 0

Subproblem 1

Set the factor '(-8 + -3w)' equal to zero and attempt to solve: Simplifying -8 + -3w = 0 Solving -8 + -3w = 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 + -3w = 0 + 8 Combine like terms: -8 + 8 = 0 0 + -3w = 0 + 8 -3w = 0 + 8 Combine like terms: 0 + 8 = 8 -3w = 8 Divide each side by '-3'. w = -2.666666667 Simplifying w = -2.666666667

Subproblem 2

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

Solution

w = {-2.666666667, 1}

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