y^2+7y=-10

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Solution for y^2+7y=-10 equation:


Simplifying
y2 + 7y = -10

Reorder the terms:
7y + y2 = -10

Solving
7y + y2 = -10

Solving for variable 'y'.

Reorder the terms:
10 + 7y + y2 = -10 + 10

Combine like terms: -10 + 10 = 0
10 + 7y + y2 = 0

Factor a trinomial.
(5 + y)(2 + y) = 0

Subproblem 1

Set the factor '(5 + y)' equal to zero and attempt to solve: Simplifying 5 + y = 0 Solving 5 + y = 0 Move all terms containing y to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + y = 0 + -5 Combine like terms: 5 + -5 = 0 0 + y = 0 + -5 y = 0 + -5 Combine like terms: 0 + -5 = -5 y = -5 Simplifying y = -5

Subproblem 2

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

Solution

y = {-5, -2}

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