3w^2-13w-56=0

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Solution for 3w^2-13w-56=0 equation:


Simplifying
3w2 + -13w + -56 = 0

Reorder the terms:
-56 + -13w + 3w2 = 0

Solving
-56 + -13w + 3w2 = 0

Solving for variable 'w'.

Factor a trinomial.
(-8 + -3w)(7 + -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 '(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 = {-2.666666667, 7}

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