16s^2+24s=9

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Solution for 16s^2+24s=9 equation:


Simplifying
16s2 + 24s = 9

Reorder the terms:
24s + 16s2 = 9

Solving
24s + 16s2 = 9

Solving for variable 's'.

Reorder the terms:
-9 + 24s + 16s2 = 9 + -9

Combine like terms: 9 + -9 = 0
-9 + 24s + 16s2 = 0

Begin completing the square.  Divide all terms by
16 the coefficient of the squared term: 

Divide each side by '16'.
-0.5625 + 1.5s + s2 = 0

Move the constant term to the right:

Add '0.5625' to each side of the equation.
-0.5625 + 1.5s + 0.5625 + s2 = 0 + 0.5625

Reorder the terms:
-0.5625 + 0.5625 + 1.5s + s2 = 0 + 0.5625

Combine like terms: -0.5625 + 0.5625 = 0.0000
0.0000 + 1.5s + s2 = 0 + 0.5625
1.5s + s2 = 0 + 0.5625

Combine like terms: 0 + 0.5625 = 0.5625
1.5s + s2 = 0.5625

The s term is 1.5s.  Take half its coefficient (0.75).
Square it (0.5625) and add it to both sides.

Add '0.5625' to each side of the equation.
1.5s + 0.5625 + s2 = 0.5625 + 0.5625

Reorder the terms:
0.5625 + 1.5s + s2 = 0.5625 + 0.5625

Combine like terms: 0.5625 + 0.5625 = 1.125
0.5625 + 1.5s + s2 = 1.125

Factor a perfect square on the left side:
(s + 0.75)(s + 0.75) = 1.125

Calculate the square root of the right side: 1.060660172

Break this problem into two subproblems by setting 
(s + 0.75) equal to 1.060660172 and -1.060660172.

Subproblem 1

s + 0.75 = 1.060660172 Simplifying s + 0.75 = 1.060660172 Reorder the terms: 0.75 + s = 1.060660172 Solving 0.75 + s = 1.060660172 Solving for variable 's'. Move all terms containing s to the left, all other terms to the right. Add '-0.75' to each side of the equation. 0.75 + -0.75 + s = 1.060660172 + -0.75 Combine like terms: 0.75 + -0.75 = 0.00 0.00 + s = 1.060660172 + -0.75 s = 1.060660172 + -0.75 Combine like terms: 1.060660172 + -0.75 = 0.310660172 s = 0.310660172 Simplifying s = 0.310660172

Subproblem 2

s + 0.75 = -1.060660172 Simplifying s + 0.75 = -1.060660172 Reorder the terms: 0.75 + s = -1.060660172 Solving 0.75 + s = -1.060660172 Solving for variable 's'. Move all terms containing s to the left, all other terms to the right. Add '-0.75' to each side of the equation. 0.75 + -0.75 + s = -1.060660172 + -0.75 Combine like terms: 0.75 + -0.75 = 0.00 0.00 + s = -1.060660172 + -0.75 s = -1.060660172 + -0.75 Combine like terms: -1.060660172 + -0.75 = -1.810660172 s = -1.810660172 Simplifying s = -1.810660172

Solution

The solution to the problem is based on the solutions from the subproblems. s = {0.310660172, -1.810660172}

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