4v^2-135=-7v

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Solution for 4v^2-135=-7v equation:


Simplifying
4v2 + -135 = -7v

Reorder the terms:
-135 + 4v2 = -7v

Solving
-135 + 4v2 = -7v

Solving for variable 'v'.

Reorder the terms:
-135 + 7v + 4v2 = -7v + 7v

Combine like terms: -7v + 7v = 0
-135 + 7v + 4v2 = 0

Factor a trinomial.
(-27 + -4v)(5 + -1v) = 0

Subproblem 1

Set the factor '(-27 + -4v)' equal to zero and attempt to solve: Simplifying -27 + -4v = 0 Solving -27 + -4v = 0 Move all terms containing v to the left, all other terms to the right. Add '27' to each side of the equation. -27 + 27 + -4v = 0 + 27 Combine like terms: -27 + 27 = 0 0 + -4v = 0 + 27 -4v = 0 + 27 Combine like terms: 0 + 27 = 27 -4v = 27 Divide each side by '-4'. v = -6.75 Simplifying v = -6.75

Subproblem 2

Set the factor '(5 + -1v)' equal to zero and attempt to solve: Simplifying 5 + -1v = 0 Solving 5 + -1v = 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 + -1v = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -1v = 0 + -5 -1v = 0 + -5 Combine like terms: 0 + -5 = -5 -1v = -5 Divide each side by '-1'. v = 5 Simplifying v = 5

Solution

v = {-6.75, 5}

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