9v^2+18v-7=0

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Solution for 9v^2+18v-7=0 equation:


Simplifying
9v2 + 18v + -7 = 0

Reorder the terms:
-7 + 18v + 9v2 = 0

Solving
-7 + 18v + 9v2 = 0

Solving for variable 'v'.

Factor a trinomial.
(-7 + -3v)(1 + -3v) = 0

Subproblem 1

Set the factor '(-7 + -3v)' equal to zero and attempt to solve: Simplifying -7 + -3v = 0 Solving -7 + -3v = 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 + -3v = 0 + 7 Combine like terms: -7 + 7 = 0 0 + -3v = 0 + 7 -3v = 0 + 7 Combine like terms: 0 + 7 = 7 -3v = 7 Divide each side by '-3'. v = -2.333333333 Simplifying v = -2.333333333

Subproblem 2

Set the factor '(1 + -3v)' equal to zero and attempt to solve: Simplifying 1 + -3v = 0 Solving 1 + -3v = 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 + -3v = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -3v = 0 + -1 -3v = 0 + -1 Combine like terms: 0 + -1 = -1 -3v = -1 Divide each side by '-3'. v = 0.3333333333 Simplifying v = 0.3333333333

Solution

v = {-2.333333333, 0.3333333333}

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