4s^2-9s-36s+81=

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Solution for 4s^2-9s-36s+81= equation:


Simplifying
4s2 + -9s + -36s + 81 = 0

Reorder the terms:
81 + -9s + -36s + 4s2 = 0

Combine like terms: -9s + -36s = -45s
81 + -45s + 4s2 = 0

Solving
81 + -45s + 4s2 = 0

Solving for variable 's'.

Factor a trinomial.
(9 + -4s)(9 + -1s) = 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 + -1s)' equal to zero and attempt to solve: Simplifying 9 + -1s = 0 Solving 9 + -1s = 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 + -1s = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -1s = 0 + -9 -1s = 0 + -9 Combine like terms: 0 + -9 = -9 -1s = -9 Divide each side by '-1'. s = 9 Simplifying s = 9

Solution

s = {2.25, 9}

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