5w^2-28=31w

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Solution for 5w^2-28=31w equation:


Simplifying
5w2 + -28 = 31w

Reorder the terms:
-28 + 5w2 = 31w

Solving
-28 + 5w2 = 31w

Solving for variable 'w'.

Reorder the terms:
-28 + -31w + 5w2 = 31w + -31w

Combine like terms: 31w + -31w = 0
-28 + -31w + 5w2 = 0

Factor a trinomial.
(-4 + -5w)(7 + -1w) = 0

Subproblem 1

Set the factor '(-4 + -5w)' equal to zero and attempt to solve: Simplifying -4 + -5w = 0 Solving -4 + -5w = 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 + -5w = 0 + 4 Combine like terms: -4 + 4 = 0 0 + -5w = 0 + 4 -5w = 0 + 4 Combine like terms: 0 + 4 = 4 -5w = 4 Divide each side by '-5'. w = -0.8 Simplifying w = -0.8

Subproblem 2

Set the factor '(7 + -1w)' equal to zero and attempt to solve: Simplifying 7 + -1w = 0 Solving 7 + -1w = 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 + -1w = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -1w = 0 + -7 -1w = 0 + -7 Combine like terms: 0 + -7 = -7 -1w = -7 Divide each side by '-1'. w = 7 Simplifying w = 7

Solution

w = {-0.8, 7}

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