v^2+8v+16=2v^2+14v+21

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Solution for v^2+8v+16=2v^2+14v+21 equation:


Simplifying
v2 + 8v + 16 = 2v2 + 14v + 21

Reorder the terms:
16 + 8v + v2 = 2v2 + 14v + 21

Reorder the terms:
16 + 8v + v2 = 21 + 14v + 2v2

Solving
16 + 8v + v2 = 21 + 14v + 2v2

Solving for variable 'v'.

Reorder the terms:
16 + -21 + 8v + -14v + v2 + -2v2 = 21 + 14v + 2v2 + -21 + -14v + -2v2

Combine like terms: 16 + -21 = -5
-5 + 8v + -14v + v2 + -2v2 = 21 + 14v + 2v2 + -21 + -14v + -2v2

Combine like terms: 8v + -14v = -6v
-5 + -6v + v2 + -2v2 = 21 + 14v + 2v2 + -21 + -14v + -2v2

Combine like terms: v2 + -2v2 = -1v2
-5 + -6v + -1v2 = 21 + 14v + 2v2 + -21 + -14v + -2v2

Reorder the terms:
-5 + -6v + -1v2 = 21 + -21 + 14v + -14v + 2v2 + -2v2

Combine like terms: 21 + -21 = 0
-5 + -6v + -1v2 = 0 + 14v + -14v + 2v2 + -2v2
-5 + -6v + -1v2 = 14v + -14v + 2v2 + -2v2

Combine like terms: 14v + -14v = 0
-5 + -6v + -1v2 = 0 + 2v2 + -2v2
-5 + -6v + -1v2 = 2v2 + -2v2

Combine like terms: 2v2 + -2v2 = 0
-5 + -6v + -1v2 = 0

Factor out the Greatest Common Factor (GCF), '-1'.
-1(5 + 6v + v2) = 0

Factor a trinomial.
-1((5 + v)(1 + v)) = 0

Ignore the factor -1.

Subproblem 1

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

Subproblem 2

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

Solution

v = {-5, -1}

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