2w^2+8w=280

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Solution for 2w^2+8w=280 equation:


Simplifying
2w2 + 8w = 280

Reorder the terms:
8w + 2w2 = 280

Solving
8w + 2w2 = 280

Solving for variable 'w'.

Reorder the terms:
-280 + 8w + 2w2 = 280 + -280

Combine like terms: 280 + -280 = 0
-280 + 8w + 2w2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(-140 + 4w + w2) = 0

Factor a trinomial.
2((-14 + -1w)(10 + -1w)) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(-14 + -1w)' equal to zero and attempt to solve: Simplifying -14 + -1w = 0 Solving -14 + -1w = 0 Move all terms containing w to the left, all other terms to the right. Add '14' to each side of the equation. -14 + 14 + -1w = 0 + 14 Combine like terms: -14 + 14 = 0 0 + -1w = 0 + 14 -1w = 0 + 14 Combine like terms: 0 + 14 = 14 -1w = 14 Divide each side by '-1'. w = -14 Simplifying w = -14

Subproblem 2

Set the factor '(10 + -1w)' equal to zero and attempt to solve: Simplifying 10 + -1w = 0 Solving 10 + -1w = 0 Move all terms containing w to the left, all other terms to the right. Add '-10' to each side of the equation. 10 + -10 + -1w = 0 + -10 Combine like terms: 10 + -10 = 0 0 + -1w = 0 + -10 -1w = 0 + -10 Combine like terms: 0 + -10 = -10 -1w = -10 Divide each side by '-1'. w = 10 Simplifying w = 10

Solution

w = {-14, 10}

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