q^2+8=-9q

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Solution for q^2+8=-9q equation:


Simplifying
q2 + 8 = -9q

Reorder the terms:
8 + q2 = -9q

Solving
8 + q2 = -9q

Solving for variable 'q'.

Reorder the terms:
8 + 9q + q2 = -9q + 9q

Combine like terms: -9q + 9q = 0
8 + 9q + q2 = 0

Factor a trinomial.
(8 + q)(1 + q) = 0

Subproblem 1

Set the factor '(8 + q)' equal to zero and attempt to solve: Simplifying 8 + q = 0 Solving 8 + q = 0 Move all terms containing q to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + q = 0 + -8 Combine like terms: 8 + -8 = 0 0 + q = 0 + -8 q = 0 + -8 Combine like terms: 0 + -8 = -8 q = -8 Simplifying q = -8

Subproblem 2

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

Solution

q = {-8, -1}

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