s(10s+1)=9

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Solution for s(10s+1)=9 equation:


Simplifying
s(10s + 1) = 9

Reorder the terms:
s(1 + 10s) = 9
(1 * s + 10s * s) = 9
(1s + 10s2) = 9

Solving
1s + 10s2 = 9

Solving for variable 's'.

Reorder the terms:
-9 + 1s + 10s2 = 9 + -9

Combine like terms: 9 + -9 = 0
-9 + 1s + 10s2 = 0

Factor a trinomial.
(-1 + -1s)(9 + -10s) = 0

Subproblem 1

Set the factor '(-1 + -1s)' equal to zero and attempt to solve: Simplifying -1 + -1s = 0 Solving -1 + -1s = 0 Move all terms containing s to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + -1s = 0 + 1 Combine like terms: -1 + 1 = 0 0 + -1s = 0 + 1 -1s = 0 + 1 Combine like terms: 0 + 1 = 1 -1s = 1 Divide each side by '-1'. s = -1 Simplifying s = -1

Subproblem 2

Set the factor '(9 + -10s)' equal to zero and attempt to solve: Simplifying 9 + -10s = 0 Solving 9 + -10s = 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 + -10s = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -10s = 0 + -9 -10s = 0 + -9 Combine like terms: 0 + -9 = -9 -10s = -9 Divide each side by '-10'. s = 0.9 Simplifying s = 0.9

Solution

s = {-1, 0.9}

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