2v^2=10v+28

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Solution for 2v^2=10v+28 equation:


Simplifying
2v2 = 10v + 28

Reorder the terms:
2v2 = 28 + 10v

Solving
2v2 = 28 + 10v

Solving for variable 'v'.

Reorder the terms:
-28 + -10v + 2v2 = 28 + 10v + -28 + -10v

Reorder the terms:
-28 + -10v + 2v2 = 28 + -28 + 10v + -10v

Combine like terms: 28 + -28 = 0
-28 + -10v + 2v2 = 0 + 10v + -10v
-28 + -10v + 2v2 = 10v + -10v

Combine like terms: 10v + -10v = 0
-28 + -10v + 2v2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(-14 + -5v + v2) = 0

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

Ignore the factor 2.

Subproblem 1

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

Subproblem 2

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

Solution

v = {-2, 7}

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