2v^2+5v=7

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


Simplifying
2v2 + 5v = 7

Reorder the terms:
5v + 2v2 = 7

Solving
5v + 2v2 = 7

Solving for variable 'v'.

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

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

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

Subproblem 1

Set the factor '(-7 + -2v)' equal to zero and attempt to solve: Simplifying -7 + -2v = 0 Solving -7 + -2v = 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 + -2v = 0 + 7 Combine like terms: -7 + 7 = 0 0 + -2v = 0 + 7 -2v = 0 + 7 Combine like terms: 0 + 7 = 7 -2v = 7 Divide each side by '-2'. v = -3.5 Simplifying v = -3.5

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 = {-3.5, 1}

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