16v^2-72v+81=0

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Solution for 16v^2-72v+81=0 equation:


Simplifying
16v2 + -72v + 81 = 0

Reorder the terms:
81 + -72v + 16v2 = 0

Solving
81 + -72v + 16v2 = 0

Solving for variable 'v'.

Factor a trinomial.
(9 + -4v)(9 + -4v) = 0

Subproblem 1

Set the factor '(9 + -4v)' equal to zero and attempt to solve: Simplifying 9 + -4v = 0 Solving 9 + -4v = 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 + -4v = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -4v = 0 + -9 -4v = 0 + -9 Combine like terms: 0 + -9 = -9 -4v = -9 Divide each side by '-4'. v = 2.25 Simplifying v = 2.25

Subproblem 2

Set the factor '(9 + -4v)' equal to zero and attempt to solve: Simplifying 9 + -4v = 0 Solving 9 + -4v = 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 + -4v = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -4v = 0 + -9 -4v = 0 + -9 Combine like terms: 0 + -9 = -9 -4v = -9 Divide each side by '-4'. v = 2.25 Simplifying v = 2.25

Solution

v = {2.25, 2.25}

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