v^2=-21-10v

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Solution for v^2=-21-10v equation:


Simplifying
v2 = -21 + -10v

Solving
v2 = -21 + -10v

Solving for variable 'v'.

Reorder the terms:
21 + 10v + v2 = -21 + -10v + 21 + 10v

Reorder the terms:
21 + 10v + v2 = -21 + 21 + -10v + 10v

Combine like terms: -21 + 21 = 0
21 + 10v + v2 = 0 + -10v + 10v
21 + 10v + v2 = -10v + 10v

Combine like terms: -10v + 10v = 0
21 + 10v + v2 = 0

Factor a trinomial.
(7 + v)(3 + v) = 0

Subproblem 1

Set the factor '(7 + v)' equal to zero and attempt to solve: Simplifying 7 + v = 0 Solving 7 + v = 0 Move all terms containing v to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + v = 0 + -7 Combine like terms: 7 + -7 = 0 0 + v = 0 + -7 v = 0 + -7 Combine like terms: 0 + -7 = -7 v = -7 Simplifying v = -7

Subproblem 2

Set the factor '(3 + v)' equal to zero and attempt to solve: Simplifying 3 + v = 0 Solving 3 + v = 0 Move all terms containing v to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + v = 0 + -3 Combine like terms: 3 + -3 = 0 0 + v = 0 + -3 v = 0 + -3 Combine like terms: 0 + -3 = -3 v = -3 Simplifying v = -3

Solution

v = {-7, -3}

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