5v^2=7v-2

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Solution for 5v^2=7v-2 equation:


Simplifying
5v2 = 7v + -2

Reorder the terms:
5v2 = -2 + 7v

Solving
5v2 = -2 + 7v

Solving for variable 'v'.

Reorder the terms:
2 + -7v + 5v2 = -2 + 7v + 2 + -7v

Reorder the terms:
2 + -7v + 5v2 = -2 + 2 + 7v + -7v

Combine like terms: -2 + 2 = 0
2 + -7v + 5v2 = 0 + 7v + -7v
2 + -7v + 5v2 = 7v + -7v

Combine like terms: 7v + -7v = 0
2 + -7v + 5v2 = 0

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

Subproblem 1

Set the factor '(2 + -5v)' equal to zero and attempt to solve: Simplifying 2 + -5v = 0 Solving 2 + -5v = 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 + -5v = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -5v = 0 + -2 -5v = 0 + -2 Combine like terms: 0 + -2 = -2 -5v = -2 Divide each side by '-5'. v = 0.4 Simplifying v = 0.4

Subproblem 2

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

Solution

v = {0.4, 1}

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