2w^2-w-13=2

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Solution for 2w^2-w-13=2 equation:


Simplifying
2w2 + -1w + -13 = 2

Reorder the terms:
-13 + -1w + 2w2 = 2

Solving
-13 + -1w + 2w2 = 2

Solving for variable 'w'.

Reorder the terms:
-13 + -2 + -1w + 2w2 = 2 + -2

Combine like terms: -13 + -2 = -15
-15 + -1w + 2w2 = 2 + -2

Combine like terms: 2 + -2 = 0
-15 + -1w + 2w2 = 0

Factor a trinomial.
(-5 + -2w)(3 + -1w) = 0

Subproblem 1

Set the factor '(-5 + -2w)' equal to zero and attempt to solve: Simplifying -5 + -2w = 0 Solving -5 + -2w = 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 + -2w = 0 + 5 Combine like terms: -5 + 5 = 0 0 + -2w = 0 + 5 -2w = 0 + 5 Combine like terms: 0 + 5 = 5 -2w = 5 Divide each side by '-2'. w = -2.5 Simplifying w = -2.5

Subproblem 2

Set the factor '(3 + -1w)' equal to zero and attempt to solve: Simplifying 3 + -1w = 0 Solving 3 + -1w = 0 Move all terms containing w to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -1w = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -1w = 0 + -3 -1w = 0 + -3 Combine like terms: 0 + -3 = -3 -1w = -3 Divide each side by '-1'. w = 3 Simplifying w = 3

Solution

w = {-2.5, 3}

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