4s^2+19s+21=0

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Solution for 4s^2+19s+21=0 equation:


Simplifying
4s2 + 19s + 21 = 0

Reorder the terms:
21 + 19s + 4s2 = 0

Solving
21 + 19s + 4s2 = 0

Solving for variable 's'.

Factor a trinomial.
(3 + s)(7 + 4s) = 0

Subproblem 1

Set the factor '(3 + s)' equal to zero and attempt to solve: Simplifying 3 + s = 0 Solving 3 + s = 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 + s = 0 + -3 Combine like terms: 3 + -3 = 0 0 + s = 0 + -3 s = 0 + -3 Combine like terms: 0 + -3 = -3 s = -3 Simplifying s = -3

Subproblem 2

Set the factor '(7 + 4s)' equal to zero and attempt to solve: Simplifying 7 + 4s = 0 Solving 7 + 4s = 0 Move all terms containing s to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + 4s = 0 + -7 Combine like terms: 7 + -7 = 0 0 + 4s = 0 + -7 4s = 0 + -7 Combine like terms: 0 + -7 = -7 4s = -7 Divide each side by '4'. s = -1.75 Simplifying s = -1.75

Solution

s = {-3, -1.75}

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