s^2+10s=10

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Solution for s^2+10s=10 equation:


Simplifying
s2 + 10s = 10

Reorder the terms:
10s + s2 = 10

Solving
10s + s2 = 10

Solving for variable 's'.

Reorder the terms:
-10 + 10s + s2 = 10 + -10

Combine like terms: 10 + -10 = 0
-10 + 10s + s2 = 0

Begin completing the square.

Move the constant term to the right:

Add '10' to each side of the equation.
-10 + 10s + 10 + s2 = 0 + 10

Reorder the terms:
-10 + 10 + 10s + s2 = 0 + 10

Combine like terms: -10 + 10 = 0
0 + 10s + s2 = 0 + 10
10s + s2 = 0 + 10

Combine like terms: 0 + 10 = 10
10s + s2 = 10

The s term is 10s.  Take half its coefficient (5).
Square it (25) and add it to both sides.

Add '25' to each side of the equation.
10s + 25 + s2 = 10 + 25

Reorder the terms:
25 + 10s + s2 = 10 + 25

Combine like terms: 10 + 25 = 35
25 + 10s + s2 = 35

Factor a perfect square on the left side:
(s + 5)(s + 5) = 35

Calculate the square root of the right side: 5.916079783

Break this problem into two subproblems by setting 
(s + 5) equal to 5.916079783 and -5.916079783.

Subproblem 1

s + 5 = 5.916079783 Simplifying s + 5 = 5.916079783 Reorder the terms: 5 + s = 5.916079783 Solving 5 + s = 5.916079783 Solving for variable 's'. Move all terms containing s to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + s = 5.916079783 + -5 Combine like terms: 5 + -5 = 0 0 + s = 5.916079783 + -5 s = 5.916079783 + -5 Combine like terms: 5.916079783 + -5 = 0.916079783 s = 0.916079783 Simplifying s = 0.916079783

Subproblem 2

s + 5 = -5.916079783 Simplifying s + 5 = -5.916079783 Reorder the terms: 5 + s = -5.916079783 Solving 5 + s = -5.916079783 Solving for variable 's'. Move all terms containing s to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + s = -5.916079783 + -5 Combine like terms: 5 + -5 = 0 0 + s = -5.916079783 + -5 s = -5.916079783 + -5 Combine like terms: -5.916079783 + -5 = -10.916079783 s = -10.916079783 Simplifying s = -10.916079783

Solution

The solution to the problem is based on the solutions from the subproblems. s = {0.916079783, -10.916079783}

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