21s^2+44s+15=0

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Solution for 21s^2+44s+15=0 equation:


Simplifying
21s2 + 44s + 15 = 0

Reorder the terms:
15 + 44s + 21s2 = 0

Solving
15 + 44s + 21s2 = 0

Solving for variable 's'.

Factor a trinomial.
(5 + 3s)(3 + 7s) = 0

Subproblem 1

Set the factor '(5 + 3s)' equal to zero and attempt to solve: Simplifying 5 + 3s = 0 Solving 5 + 3s = 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 + 3s = 0 + -5 Combine like terms: 5 + -5 = 0 0 + 3s = 0 + -5 3s = 0 + -5 Combine like terms: 0 + -5 = -5 3s = -5 Divide each side by '3'. s = -1.666666667 Simplifying s = -1.666666667

Subproblem 2

Set the factor '(3 + 7s)' equal to zero and attempt to solve: Simplifying 3 + 7s = 0 Solving 3 + 7s = 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 + 7s = 0 + -3 Combine like terms: 3 + -3 = 0 0 + 7s = 0 + -3 7s = 0 + -3 Combine like terms: 0 + -3 = -3 7s = -3 Divide each side by '7'. s = -0.4285714286 Simplifying s = -0.4285714286

Solution

s = {-1.666666667, -0.4285714286}

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