(s+8)(s-9)=0

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Solution for (s+8)(s-9)=0 equation:


Simplifying
(s + 8)(s + -9) = 0

Reorder the terms:
(8 + s)(s + -9) = 0

Reorder the terms:
(8 + s)(-9 + s) = 0

Multiply (8 + s) * (-9 + s)
(8(-9 + s) + s(-9 + s)) = 0
((-9 * 8 + s * 8) + s(-9 + s)) = 0
((-72 + 8s) + s(-9 + s)) = 0
(-72 + 8s + (-9 * s + s * s)) = 0
(-72 + 8s + (-9s + s2)) = 0

Combine like terms: 8s + -9s = -1s
(-72 + -1s + s2) = 0

Solving
-72 + -1s + s2 = 0

Solving for variable 's'.

Factor a trinomial.
(-8 + -1s)(9 + -1s) = 0

Subproblem 1

Set the factor '(-8 + -1s)' equal to zero and attempt to solve: Simplifying -8 + -1s = 0 Solving -8 + -1s = 0 Move all terms containing s to the left, all other terms to the right. Add '8' to each side of the equation. -8 + 8 + -1s = 0 + 8 Combine like terms: -8 + 8 = 0 0 + -1s = 0 + 8 -1s = 0 + 8 Combine like terms: 0 + 8 = 8 -1s = 8 Divide each side by '-1'. s = -8 Simplifying s = -8

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 = {-8, 9}

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