81v^2-126v+49=

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Solution for 81v^2-126v+49= equation:


Simplifying
81v2 + -126v + 49 = 0

Reorder the terms:
49 + -126v + 81v2 = 0

Solving
49 + -126v + 81v2 = 0

Solving for variable 'v'.

Factor a trinomial.
(7 + -9v)(7 + -9v) = 0

Subproblem 1

Set the factor '(7 + -9v)' equal to zero and attempt to solve: Simplifying 7 + -9v = 0 Solving 7 + -9v = 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 + -9v = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -9v = 0 + -7 -9v = 0 + -7 Combine like terms: 0 + -7 = -7 -9v = -7 Divide each side by '-9'. v = 0.7777777778 Simplifying v = 0.7777777778

Subproblem 2

Set the factor '(7 + -9v)' equal to zero and attempt to solve: Simplifying 7 + -9v = 0 Solving 7 + -9v = 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 + -9v = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -9v = 0 + -7 -9v = 0 + -7 Combine like terms: 0 + -7 = -7 -9v = -7 Divide each side by '-9'. v = 0.7777777778 Simplifying v = 0.7777777778

Solution

v = {0.7777777778, 0.7777777778}

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