(4s-3)(s+5)=

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Solution for (4s-3)(s+5)= equation:


Simplifying
(4s + -3)(s + 5) = 0

Reorder the terms:
(-3 + 4s)(s + 5) = 0

Reorder the terms:
(-3 + 4s)(5 + s) = 0

Multiply (-3 + 4s) * (5 + s)
(-3(5 + s) + 4s * (5 + s)) = 0
((5 * -3 + s * -3) + 4s * (5 + s)) = 0
((-15 + -3s) + 4s * (5 + s)) = 0
(-15 + -3s + (5 * 4s + s * 4s)) = 0
(-15 + -3s + (20s + 4s2)) = 0

Combine like terms: -3s + 20s = 17s
(-15 + 17s + 4s2) = 0

Solving
-15 + 17s + 4s2 = 0

Solving for variable 's'.

Factor a trinomial.
(-5 + -1s)(3 + -4s) = 0

Subproblem 1

Set the factor '(-5 + -1s)' equal to zero and attempt to solve: Simplifying -5 + -1s = 0 Solving -5 + -1s = 0 Move all terms containing s to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + -1s = 0 + 5 Combine like terms: -5 + 5 = 0 0 + -1s = 0 + 5 -1s = 0 + 5 Combine like terms: 0 + 5 = 5 -1s = 5 Divide each side by '-1'. s = -5 Simplifying s = -5

Subproblem 2

Set the factor '(3 + -4s)' equal to zero and attempt to solve: Simplifying 3 + -4s = 0 Solving 3 + -4s = 0 Move all terms containing s to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -4s = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -4s = 0 + -3 -4s = 0 + -3 Combine like terms: 0 + -3 = -3 -4s = -3 Divide each side by '-4'. s = 0.75 Simplifying s = 0.75

Solution

s = {-5, 0.75}

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