35v^2-7=-28v

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Solution for 35v^2-7=-28v equation:


Simplifying
35v2 + -7 = -28v

Reorder the terms:
-7 + 35v2 = -28v

Solving
-7 + 35v2 = -28v

Solving for variable 'v'.

Reorder the terms:
-7 + 28v + 35v2 = -28v + 28v

Combine like terms: -28v + 28v = 0
-7 + 28v + 35v2 = 0

Factor out the Greatest Common Factor (GCF), '7'.
7(-1 + 4v + 5v2) = 0

Factor a trinomial.
7((-1 + -1v)(1 + -5v)) = 0

Ignore the factor 7.

Subproblem 1

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

Subproblem 2

Set the factor '(1 + -5v)' equal to zero and attempt to solve: Simplifying 1 + -5v = 0 Solving 1 + -5v = 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 + -5v = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -5v = 0 + -1 -5v = 0 + -1 Combine like terms: 0 + -1 = -1 -5v = -1 Divide each side by '-5'. v = 0.2 Simplifying v = 0.2

Solution

v = {-1, 0.2}

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