2w^2=-7w+15

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Solution for 2w^2=-7w+15 equation:


Simplifying
2w2 = -7w + 15

Reorder the terms:
2w2 = 15 + -7w

Solving
2w2 = 15 + -7w

Solving for variable 'w'.

Reorder the terms:
-15 + 7w + 2w2 = 15 + -7w + -15 + 7w

Reorder the terms:
-15 + 7w + 2w2 = 15 + -15 + -7w + 7w

Combine like terms: 15 + -15 = 0
-15 + 7w + 2w2 = 0 + -7w + 7w
-15 + 7w + 2w2 = -7w + 7w

Combine like terms: -7w + 7w = 0
-15 + 7w + 2w2 = 0

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

Subproblem 1

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

Subproblem 2

Set the factor '(3 + -2w)' equal to zero and attempt to solve: Simplifying 3 + -2w = 0 Solving 3 + -2w = 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 + -2w = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -2w = 0 + -3 -2w = 0 + -3 Combine like terms: 0 + -3 = -3 -2w = -3 Divide each side by '-2'. w = 1.5 Simplifying w = 1.5

Solution

w = {-5, 1.5}

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