s^2+8s=9

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Solution for s^2+8s=9 equation:


Simplifying
s2 + 8s = 9

Reorder the terms:
8s + s2 = 9

Solving
8s + s2 = 9

Solving for variable 's'.

Reorder the terms:
-9 + 8s + s2 = 9 + -9

Combine like terms: 9 + -9 = 0
-9 + 8s + s2 = 0

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

Subproblem 1

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

Subproblem 2

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

Solution

s = {-9, 1}

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