s^2=3+5s-6s^2

Simple and best practice solution for s^2=3+5s-6s^2 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for s^2=3+5s-6s^2 equation:


Simplifying
s2 = 3 + 5s + -6s2

Solving
s2 = 3 + 5s + -6s2

Solving for variable 's'.

Reorder the terms:
-3 + -5s + s2 + 6s2 = 3 + 5s + -6s2 + -3 + -5s + 6s2

Combine like terms: s2 + 6s2 = 7s2
-3 + -5s + 7s2 = 3 + 5s + -6s2 + -3 + -5s + 6s2

Reorder the terms:
-3 + -5s + 7s2 = 3 + -3 + 5s + -5s + -6s2 + 6s2

Combine like terms: 3 + -3 = 0
-3 + -5s + 7s2 = 0 + 5s + -5s + -6s2 + 6s2
-3 + -5s + 7s2 = 5s + -5s + -6s2 + 6s2

Combine like terms: 5s + -5s = 0
-3 + -5s + 7s2 = 0 + -6s2 + 6s2
-3 + -5s + 7s2 = -6s2 + 6s2

Combine like terms: -6s2 + 6s2 = 0
-3 + -5s + 7s2 = 0

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

Divide each side by '7'.
-0.4285714286 + -0.7142857143s + s2 = 0

Move the constant term to the right:

Add '0.4285714286' to each side of the equation.
-0.4285714286 + -0.7142857143s + 0.4285714286 + s2 = 0 + 0.4285714286

Reorder the terms:
-0.4285714286 + 0.4285714286 + -0.7142857143s + s2 = 0 + 0.4285714286

Combine like terms: -0.4285714286 + 0.4285714286 = 0.0000000000
0.0000000000 + -0.7142857143s + s2 = 0 + 0.4285714286
-0.7142857143s + s2 = 0 + 0.4285714286

Combine like terms: 0 + 0.4285714286 = 0.4285714286
-0.7142857143s + s2 = 0.4285714286

The s term is -0.7142857143s.  Take half its coefficient (-0.3571428572).
Square it (0.1275510204) and add it to both sides.

Add '0.1275510204' to each side of the equation.
-0.7142857143s + 0.1275510204 + s2 = 0.4285714286 + 0.1275510204

Reorder the terms:
0.1275510204 + -0.7142857143s + s2 = 0.4285714286 + 0.1275510204

Combine like terms: 0.4285714286 + 0.1275510204 = 0.556122449
0.1275510204 + -0.7142857143s + s2 = 0.556122449

Factor a perfect square on the left side:
(s + -0.3571428572)(s + -0.3571428572) = 0.556122449

Calculate the square root of the right side: 0.745736179

Break this problem into two subproblems by setting 
(s + -0.3571428572) equal to 0.745736179 and -0.745736179.

Subproblem 1

s + -0.3571428572 = 0.745736179 Simplifying s + -0.3571428572 = 0.745736179 Reorder the terms: -0.3571428572 + s = 0.745736179 Solving -0.3571428572 + s = 0.745736179 Solving for variable 's'. Move all terms containing s to the left, all other terms to the right. Add '0.3571428572' to each side of the equation. -0.3571428572 + 0.3571428572 + s = 0.745736179 + 0.3571428572 Combine like terms: -0.3571428572 + 0.3571428572 = 0.0000000000 0.0000000000 + s = 0.745736179 + 0.3571428572 s = 0.745736179 + 0.3571428572 Combine like terms: 0.745736179 + 0.3571428572 = 1.1028790362 s = 1.1028790362 Simplifying s = 1.1028790362

Subproblem 2

s + -0.3571428572 = -0.745736179 Simplifying s + -0.3571428572 = -0.745736179 Reorder the terms: -0.3571428572 + s = -0.745736179 Solving -0.3571428572 + s = -0.745736179 Solving for variable 's'. Move all terms containing s to the left, all other terms to the right. Add '0.3571428572' to each side of the equation. -0.3571428572 + 0.3571428572 + s = -0.745736179 + 0.3571428572 Combine like terms: -0.3571428572 + 0.3571428572 = 0.0000000000 0.0000000000 + s = -0.745736179 + 0.3571428572 s = -0.745736179 + 0.3571428572 Combine like terms: -0.745736179 + 0.3571428572 = -0.3885933218 s = -0.3885933218 Simplifying s = -0.3885933218

Solution

The solution to the problem is based on the solutions from the subproblems. s = {1.1028790362, -0.3885933218}

See similar equations:

| t^4-256=0 | | 20x-13=20+9 | | 5x6/9 | | x^2+7x-1=9 | | 2522x-1950=26[97x-75] | | 5/8x/7/16 | | x+2(x-3)=4 | | 3cosx=1-sinx | | 7s^2-5s-3=0 | | 8x+31x-4=0 | | 4y+7=90 | | 0=16t^2+150 | | 2y^2+2y-12=0 | | 25-n=13 | | 2k^2+10k+35=0 | | 3[5x+8]=15x-6 | | -5m(4n-10n^2)= | | 2X^2-15x-7= | | 4y^2-12y+1=0 | | 4a^2-16a+14=0 | | 4r^2-16=84 | | A=2.4b | | 7x+1-5y=9 | | 6w+8w^2-w= | | (x^6-5x^4-x^2)/x^2 | | -9-6=9x+3-8x | | Y^2-196= | | 2/1=11 | | 2s-5s=27 | | 4a=8-1(a+7) | | 3±i√42/3 | | 10x+9=10x+1 |

Equations solver categories