14v^2+46v-47=-7

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Solution for 14v^2+46v-47=-7 equation:


Simplifying
14v2 + 46v + -47 = -7

Reorder the terms:
-47 + 46v + 14v2 = -7

Solving
-47 + 46v + 14v2 = -7

Solving for variable 'v'.

Reorder the terms:
-47 + 7 + 46v + 14v2 = -7 + 7

Combine like terms: -47 + 7 = -40
-40 + 46v + 14v2 = -7 + 7

Combine like terms: -7 + 7 = 0
-40 + 46v + 14v2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(-20 + 23v + 7v2) = 0

Factor a trinomial.
2((-4 + -1v)(5 + -7v)) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(-4 + -1v)' equal to zero and attempt to solve: Simplifying -4 + -1v = 0 Solving -4 + -1v = 0 Move all terms containing v to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + -1v = 0 + 4 Combine like terms: -4 + 4 = 0 0 + -1v = 0 + 4 -1v = 0 + 4 Combine like terms: 0 + 4 = 4 -1v = 4 Divide each side by '-1'. v = -4 Simplifying v = -4

Subproblem 2

Set the factor '(5 + -7v)' equal to zero and attempt to solve: Simplifying 5 + -7v = 0 Solving 5 + -7v = 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 + -7v = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -7v = 0 + -5 -7v = 0 + -5 Combine like terms: 0 + -5 = -5 -7v = -5 Divide each side by '-7'. v = 0.7142857143 Simplifying v = 0.7142857143

Solution

v = {-4, 0.7142857143}

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