-v^2=-10v+9

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Solution for -v^2=-10v+9 equation:


Simplifying
-1v2 = -10v + 9

Reorder the terms:
-1v2 = 9 + -10v

Solving
-1v2 = 9 + -10v

Solving for variable 'v'.

Reorder the terms:
-9 + 10v + -1v2 = 9 + -10v + -9 + 10v

Reorder the terms:
-9 + 10v + -1v2 = 9 + -9 + -10v + 10v

Combine like terms: 9 + -9 = 0
-9 + 10v + -1v2 = 0 + -10v + 10v
-9 + 10v + -1v2 = -10v + 10v

Combine like terms: -10v + 10v = 0
-9 + 10v + -1v2 = 0

Factor a trinomial.
(-9 + v)(1 + -1v) = 0

Subproblem 1

Set the factor '(-9 + v)' equal to zero and attempt to solve: Simplifying -9 + v = 0 Solving -9 + v = 0 Move all terms containing v to the left, all other terms to the right. Add '9' to each side of the equation. -9 + 9 + v = 0 + 9 Combine like terms: -9 + 9 = 0 0 + v = 0 + 9 v = 0 + 9 Combine like terms: 0 + 9 = 9 v = 9 Simplifying v = 9

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 = {9, 1}

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