w^2+7w+10=40

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Solution for w^2+7w+10=40 equation:


Simplifying
w2 + 7w + 10 = 40

Reorder the terms:
10 + 7w + w2 = 40

Solving
10 + 7w + w2 = 40

Solving for variable 'w'.

Reorder the terms:
10 + -40 + 7w + w2 = 40 + -40

Combine like terms: 10 + -40 = -30
-30 + 7w + w2 = 40 + -40

Combine like terms: 40 + -40 = 0
-30 + 7w + w2 = 0

Factor a trinomial.
(-10 + -1w)(3 + -1w) = 0

Subproblem 1

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

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 = {-10, 3}

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