30v^3+85v^2-70v=

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Solution for 30v^3+85v^2-70v= equation:


Simplifying
30v3 + 85v2 + -70v = 0

Reorder the terms:
-70v + 85v2 + 30v3 = 0

Solving
-70v + 85v2 + 30v3 = 0

Solving for variable 'v'.

Factor out the Greatest Common Factor (GCF), '5v'.
5v(-14 + 17v + 6v2) = 0

Factor a trinomial.
5v((-7 + -2v)(2 + -3v)) = 0

Ignore the factor 5.

Subproblem 1

Set the factor 'v' equal to zero and attempt to solve: Simplifying v = 0 Solving v = 0 Move all terms containing v to the left, all other terms to the right. Simplifying v = 0

Subproblem 2

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 3

Set the factor '(2 + -3v)' equal to zero and attempt to solve: Simplifying 2 + -3v = 0 Solving 2 + -3v = 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 + -3v = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -3v = 0 + -2 -3v = 0 + -2 Combine like terms: 0 + -2 = -2 -3v = -2 Divide each side by '-3'. v = 0.6666666667 Simplifying v = 0.6666666667

Solution

v = {0, -3.5, 0.6666666667}

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