(7s^2+5s)+(-6s^2-17s+4)=

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Solution for (7s^2+5s)+(-6s^2-17s+4)= equation:


Simplifying
(7s2 + 5s) + (-6s2 + -17s + 4) = 0

Reorder the terms:
(5s + 7s2) + (-6s2 + -17s + 4) = 0

Remove parenthesis around (5s + 7s2)
5s + 7s2 + (-6s2 + -17s + 4) = 0

Reorder the terms:
5s + 7s2 + (4 + -17s + -6s2) = 0

Remove parenthesis around (4 + -17s + -6s2)
5s + 7s2 + 4 + -17s + -6s2 = 0

Reorder the terms:
4 + 5s + -17s + 7s2 + -6s2 = 0

Combine like terms: 5s + -17s = -12s
4 + -12s + 7s2 + -6s2 = 0

Combine like terms: 7s2 + -6s2 = 1s2
4 + -12s + 1s2 = 0

Solving
4 + -12s + 1s2 = 0

Solving for variable 's'.

Begin completing the square.

Move the constant term to the right:

Add '-4' to each side of the equation.
4 + -12s + -4 + s2 = 0 + -4

Reorder the terms:
4 + -4 + -12s + s2 = 0 + -4

Combine like terms: 4 + -4 = 0
0 + -12s + s2 = 0 + -4
-12s + s2 = 0 + -4

Combine like terms: 0 + -4 = -4
-12s + s2 = -4

The s term is -12s.  Take half its coefficient (-6).
Square it (36) and add it to both sides.

Add '36' to each side of the equation.
-12s + 36 + s2 = -4 + 36

Reorder the terms:
36 + -12s + s2 = -4 + 36

Combine like terms: -4 + 36 = 32
36 + -12s + s2 = 32

Factor a perfect square on the left side:
(s + -6)(s + -6) = 32

Calculate the square root of the right side: 5.656854249

Break this problem into two subproblems by setting 
(s + -6) equal to 5.656854249 and -5.656854249.

Subproblem 1

s + -6 = 5.656854249 Simplifying s + -6 = 5.656854249 Reorder the terms: -6 + s = 5.656854249 Solving -6 + s = 5.656854249 Solving for variable 's'. Move all terms containing s to the left, all other terms to the right. Add '6' to each side of the equation. -6 + 6 + s = 5.656854249 + 6 Combine like terms: -6 + 6 = 0 0 + s = 5.656854249 + 6 s = 5.656854249 + 6 Combine like terms: 5.656854249 + 6 = 11.656854249 s = 11.656854249 Simplifying s = 11.656854249

Subproblem 2

s + -6 = -5.656854249 Simplifying s + -6 = -5.656854249 Reorder the terms: -6 + s = -5.656854249 Solving -6 + s = -5.656854249 Solving for variable 's'. Move all terms containing s to the left, all other terms to the right. Add '6' to each side of the equation. -6 + 6 + s = -5.656854249 + 6 Combine like terms: -6 + 6 = 0 0 + s = -5.656854249 + 6 s = -5.656854249 + 6 Combine like terms: -5.656854249 + 6 = 0.343145751 s = 0.343145751 Simplifying s = 0.343145751

Solution

The solution to the problem is based on the solutions from the subproblems. s = {11.656854249, 0.343145751}

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