81s^2-72s+16=0

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


Simplifying
81s2 + -72s + 16 = 0

Reorder the terms:
16 + -72s + 81s2 = 0

Solving
16 + -72s + 81s2 = 0

Solving for variable 's'.

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

Subproblem 1

Set the factor '(4 + -9s)' equal to zero and attempt to solve: Simplifying 4 + -9s = 0 Solving 4 + -9s = 0 Move all terms containing s to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -9s = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -9s = 0 + -4 -9s = 0 + -4 Combine like terms: 0 + -4 = -4 -9s = -4 Divide each side by '-9'. s = 0.4444444444 Simplifying s = 0.4444444444

Subproblem 2

Set the factor '(4 + -9s)' equal to zero and attempt to solve: Simplifying 4 + -9s = 0 Solving 4 + -9s = 0 Move all terms containing s to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -9s = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -9s = 0 + -4 -9s = 0 + -4 Combine like terms: 0 + -4 = -4 -9s = -4 Divide each side by '-9'. s = 0.4444444444 Simplifying s = 0.4444444444

Solution

s = {0.4444444444, 0.4444444444}

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