4v^2-2=7v

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


Simplifying
4v2 + -2 = 7v

Reorder the terms:
-2 + 4v2 = 7v

Solving
-2 + 4v2 = 7v

Solving for variable 'v'.

Reorder the terms:
-2 + -7v + 4v2 = 7v + -7v

Combine like terms: 7v + -7v = 0
-2 + -7v + 4v2 = 0

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

Subproblem 1

Set the factor '(-1 + -4v)' equal to zero and attempt to solve: Simplifying -1 + -4v = 0 Solving -1 + -4v = 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 + -4v = 0 + 1 Combine like terms: -1 + 1 = 0 0 + -4v = 0 + 1 -4v = 0 + 1 Combine like terms: 0 + 1 = 1 -4v = 1 Divide each side by '-4'. v = -0.25 Simplifying v = -0.25

Subproblem 2

Set the factor '(2 + -1v)' equal to zero and attempt to solve: Simplifying 2 + -1v = 0 Solving 2 + -1v = 0 Move all terms containing v to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -1v = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -1v = 0 + -2 -1v = 0 + -2 Combine like terms: 0 + -2 = -2 -1v = -2 Divide each side by '-1'. v = 2 Simplifying v = 2

Solution

v = {-0.25, 2}

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