3v^2+13v=56

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Solution for 3v^2+13v=56 equation:


Simplifying
3v2 + 13v = 56

Reorder the terms:
13v + 3v2 = 56

Solving
13v + 3v2 = 56

Solving for variable 'v'.

Reorder the terms:
-56 + 13v + 3v2 = 56 + -56

Combine like terms: 56 + -56 = 0
-56 + 13v + 3v2 = 0

Factor a trinomial.
(-7 + -1v)(8 + -3v) = 0

Subproblem 1

Set the factor '(-7 + -1v)' equal to zero and attempt to solve: Simplifying -7 + -1v = 0 Solving -7 + -1v = 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 + -1v = 0 + 7 Combine like terms: -7 + 7 = 0 0 + -1v = 0 + 7 -1v = 0 + 7 Combine like terms: 0 + 7 = 7 -1v = 7 Divide each side by '-1'. v = -7 Simplifying v = -7

Subproblem 2

Set the factor '(8 + -3v)' equal to zero and attempt to solve: Simplifying 8 + -3v = 0 Solving 8 + -3v = 0 Move all terms containing v to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + -3v = 0 + -8 Combine like terms: 8 + -8 = 0 0 + -3v = 0 + -8 -3v = 0 + -8 Combine like terms: 0 + -8 = -8 -3v = -8 Divide each side by '-3'. v = 2.666666667 Simplifying v = 2.666666667

Solution

v = {-7, 2.666666667}

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