(s+35)(s-40)=0

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Solution for (s+35)(s-40)=0 equation:


Simplifying
(s + 35)(s + -40) = 0

Reorder the terms:
(35 + s)(s + -40) = 0

Reorder the terms:
(35 + s)(-40 + s) = 0

Multiply (35 + s) * (-40 + s)
(35(-40 + s) + s(-40 + s)) = 0
((-40 * 35 + s * 35) + s(-40 + s)) = 0
((-1400 + 35s) + s(-40 + s)) = 0
(-1400 + 35s + (-40 * s + s * s)) = 0
(-1400 + 35s + (-40s + s2)) = 0

Combine like terms: 35s + -40s = -5s
(-1400 + -5s + s2) = 0

Solving
-1400 + -5s + s2 = 0

Solving for variable 's'.

Factor a trinomial.
(-35 + -1s)(40 + -1s) = 0

Subproblem 1

Set the factor '(-35 + -1s)' equal to zero and attempt to solve: Simplifying -35 + -1s = 0 Solving -35 + -1s = 0 Move all terms containing s to the left, all other terms to the right. Add '35' to each side of the equation. -35 + 35 + -1s = 0 + 35 Combine like terms: -35 + 35 = 0 0 + -1s = 0 + 35 -1s = 0 + 35 Combine like terms: 0 + 35 = 35 -1s = 35 Divide each side by '-1'. s = -35 Simplifying s = -35

Subproblem 2

Set the factor '(40 + -1s)' equal to zero and attempt to solve: Simplifying 40 + -1s = 0 Solving 40 + -1s = 0 Move all terms containing s to the left, all other terms to the right. Add '-40' to each side of the equation. 40 + -40 + -1s = 0 + -40 Combine like terms: 40 + -40 = 0 0 + -1s = 0 + -40 -1s = 0 + -40 Combine like terms: 0 + -40 = -40 -1s = -40 Divide each side by '-1'. s = 40 Simplifying s = 40

Solution

s = {-35, 40}

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