-2w^2-9w=10

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Solution for -2w^2-9w=10 equation:


Simplifying
-2w2 + -9w = 10

Reorder the terms:
-9w + -2w2 = 10

Solving
-9w + -2w2 = 10

Solving for variable 'w'.

Reorder the terms:
-10 + -9w + -2w2 = 10 + -10

Combine like terms: 10 + -10 = 0
-10 + -9w + -2w2 = 0

Factor out the Greatest Common Factor (GCF), '-1'.
-1(10 + 9w + 2w2) = 0

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

Ignore the factor -1.

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 '(2 + w)' equal to zero and attempt to solve: Simplifying 2 + w = 0 Solving 2 + w = 0 Move all terms containing w to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + w = 0 + -2 Combine like terms: 2 + -2 = 0 0 + w = 0 + -2 w = 0 + -2 Combine like terms: 0 + -2 = -2 w = -2 Simplifying w = -2

Solution

w = {-2.5, -2}

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