s(s+.89)=92.99

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Solution for s(s+.89)=92.99 equation:


Simplifying
s(s + 0.89) = 92.99

Reorder the terms:
s(0.89 + s) = 92.99
(0.89 * s + s * s) = 92.99
(0.89s + s2) = 92.99

Solving
0.89s + s2 = 92.99

Solving for variable 's'.

Reorder the terms:
-92.99 + 0.89s + s2 = 92.99 + -92.99

Combine like terms: 92.99 + -92.99 = 0.00
-92.99 + 0.89s + s2 = 0.00

Begin completing the square.

Move the constant term to the right:

Add '92.99' to each side of the equation.
-92.99 + 0.89s + 92.99 + s2 = 0.00 + 92.99

Reorder the terms:
-92.99 + 92.99 + 0.89s + s2 = 0.00 + 92.99

Combine like terms: -92.99 + 92.99 = 0.00
0.00 + 0.89s + s2 = 0.00 + 92.99
0.89s + s2 = 0.00 + 92.99

Combine like terms: 0.00 + 92.99 = 92.99
0.89s + s2 = 92.99

The s term is 0.89s.  Take half its coefficient (0.445).
Square it (0.198025) and add it to both sides.

Add '0.198025' to each side of the equation.
0.89s + 0.198025 + s2 = 92.99 + 0.198025

Reorder the terms:
0.198025 + 0.89s + s2 = 92.99 + 0.198025

Combine like terms: 92.99 + 0.198025 = 93.188025
0.198025 + 0.89s + s2 = 93.188025

Factor a perfect square on the left side:
(s + 0.445)(s + 0.445) = 93.188025

Calculate the square root of the right side: 9.653394481

Break this problem into two subproblems by setting 
(s + 0.445) equal to 9.653394481 and -9.653394481.

Subproblem 1

s + 0.445 = 9.653394481 Simplifying s + 0.445 = 9.653394481 Reorder the terms: 0.445 + s = 9.653394481 Solving 0.445 + s = 9.653394481 Solving for variable 's'. Move all terms containing s to the left, all other terms to the right. Add '-0.445' to each side of the equation. 0.445 + -0.445 + s = 9.653394481 + -0.445 Combine like terms: 0.445 + -0.445 = 0.000 0.000 + s = 9.653394481 + -0.445 s = 9.653394481 + -0.445 Combine like terms: 9.653394481 + -0.445 = 9.208394481 s = 9.208394481 Simplifying s = 9.208394481

Subproblem 2

s + 0.445 = -9.653394481 Simplifying s + 0.445 = -9.653394481 Reorder the terms: 0.445 + s = -9.653394481 Solving 0.445 + s = -9.653394481 Solving for variable 's'. Move all terms containing s to the left, all other terms to the right. Add '-0.445' to each side of the equation. 0.445 + -0.445 + s = -9.653394481 + -0.445 Combine like terms: 0.445 + -0.445 = 0.000 0.000 + s = -9.653394481 + -0.445 s = -9.653394481 + -0.445 Combine like terms: -9.653394481 + -0.445 = -10.098394481 s = -10.098394481 Simplifying s = -10.098394481

Solution

The solution to the problem is based on the solutions from the subproblems. s = {9.208394481, -10.098394481}

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