16s^2+81=72s

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


Simplifying
16s2 + 81 = 72s

Reorder the terms:
81 + 16s2 = 72s

Solving
81 + 16s2 = 72s

Solving for variable 's'.

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

Combine like terms: 72s + -72s = 0
81 + -72s + 16s2 = 0

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

Subproblem 1

Set the factor '(9 + -4s)' equal to zero and attempt to solve: Simplifying 9 + -4s = 0 Solving 9 + -4s = 0 Move all terms containing s to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + -4s = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -4s = 0 + -9 -4s = 0 + -9 Combine like terms: 0 + -9 = -9 -4s = -9 Divide each side by '-4'. s = 2.25 Simplifying s = 2.25

Subproblem 2

Set the factor '(9 + -4s)' equal to zero and attempt to solve: Simplifying 9 + -4s = 0 Solving 9 + -4s = 0 Move all terms containing s to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + -4s = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -4s = 0 + -9 -4s = 0 + -9 Combine like terms: 0 + -9 = -9 -4s = -9 Divide each side by '-4'. s = 2.25 Simplifying s = 2.25

Solution

s = {2.25, 2.25}

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